Home / 15,140.91-22,712.28-6,376.51

Finding the Fourth Proportional to 15,140.91, 22,712.28 and 6,376.51

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Solution

The fourth proportional to 15,140.91, 22,712.28 and 6,376.51 is: 9,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.91 : 22,712.28 = 6,376.51 : x
  2. Step 2: Convert to fraction form
    15,140.91/22,712.28 = 6,376.51/x
  3. Step 3: Cross multiply
    15,140.91x = 22,712.28 × 6,376.51
  4. Step 4: Simplify right side
    15,140.91x = 144,824,935.10
  5. Step 5: Solve for x
    x = 144,824,935.10/15,140.91
  6. Step 6: Final answer
    x = 9,565.14

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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.