Home / 14,587.09-20,130.26-8,299.46

Finding the Fourth Proportional to 14,587.09, 20,130.26 and 8,299.46

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Solution

The fourth proportional to 14,587.09, 20,130.26 and 8,299.46 is: 11,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.09 : 20,130.26 = 8,299.46 : x
  2. Step 2: Convert to fraction form
    14,587.09/20,130.26 = 8,299.46/x
  3. Step 3: Cross multiply
    14,587.09x = 20,130.26 × 8,299.46
  4. Step 4: Simplify right side
    14,587.09x = 167,070,296.49
  5. Step 5: Solve for x
    x = 167,070,296.49/14,587.09
  6. Step 6: Final answer
    x = 11,453.30

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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.