Home / 25,617.28-38,428.08-8,088.16

Finding the Fourth Proportional to 25,617.28, 38,428.08 and 8,088.16

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Solution

The fourth proportional to 25,617.28, 38,428.08 and 8,088.16 is: 12,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.28 : 38,428.08 = 8,088.16 : x
  2. Step 2: Convert to fraction form
    25,617.28/38,428.08 = 8,088.16/x
  3. Step 3: Cross multiply
    25,617.28x = 38,428.08 × 8,088.16
  4. Step 4: Simplify right side
    25,617.28x = 310,812,459.53
  5. Step 5: Solve for x
    x = 310,812,459.53/25,617.28
  6. Step 6: Final answer
    x = 12,132.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.