Home / 22,299.48-30,777.84-12,866.76

Finding the Fourth Proportional to 22,299.48, 30,777.84 and 12,866.76

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Solution

The fourth proportional to 22,299.48, 30,777.84 and 12,866.76 is: 17,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299.48 : 30,777.84 = 12,866.76 : x
  2. Step 2: Convert to fraction form
    22,299.48/30,777.84 = 12,866.76/x
  3. Step 3: Cross multiply
    22,299.48x = 30,777.84 × 12,866.76
  4. Step 4: Simplify right side
    22,299.48x = 396,011,080.60
  5. Step 5: Solve for x
    x = 396,011,080.60/22,299.48
  6. Step 6: Final answer
    x = 17,758.76

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Half scale
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Double scale
Find fourth proportional to 22,300.48, 30,779.22 and 12,867.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.