Home / 25,065.16-34,588.43-13,732.40

Finding the Fourth Proportional to 25,065.16, 34,588.43 and 13,732.40

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Solution

The fourth proportional to 25,065.16, 34,588.43 and 13,732.40 is: 18,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.16 : 34,588.43 = 13,732.40 : x
  2. Step 2: Convert to fraction form
    25,065.16/34,588.43 = 13,732.40/x
  3. Step 3: Cross multiply
    25,065.16x = 34,588.43 × 13,732.40
  4. Step 4: Simplify right side
    25,065.16x = 474,982,156.13
  5. Step 5: Solve for x
    x = 474,982,156.13/25,065.16
  6. Step 6: Final answer
    x = 18,949.90

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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.