Home / 23,427.19-32,329.62-12,817

Finding the Fourth Proportional to 23,427.19, 32,329.62 and 12,817

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Solution

The fourth proportional to 23,427.19, 32,329.62 and 12,817 is: 17,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.19 : 32,329.62 = 12,817 : x
  2. Step 2: Convert to fraction form
    23,427.19/32,329.62 = 12,817/x
  3. Step 3: Cross multiply
    23,427.19x = 32,329.62 × 12,817
  4. Step 4: Simplify right side
    23,427.19x = 414,368,739.54
  5. Step 5: Solve for x
    x = 414,368,739.54/23,427.19
  6. Step 6: Final answer
    x = 17,687.51

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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.