Home / 15,117.32-22,680.07-5,257.15

Finding the Fourth Proportional to 15,117.32, 22,680.07 and 5,257.15

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Solution

The fourth proportional to 15,117.32, 22,680.07 and 5,257.15 is: 7,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.32 : 22,680.07 = 5,257.15 : x
  2. Step 2: Convert to fraction form
    15,117.32/22,680.07 = 5,257.15/x
  3. Step 3: Cross multiply
    15,117.32x = 22,680.07 × 5,257.15
  4. Step 4: Simplify right side
    15,117.32x = 119,232,460.16
  5. Step 5: Solve for x
    x = 119,232,460.16/15,117.32
  6. Step 6: Final answer
    x = 7,887.14

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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.