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Finding the Fourth Proportional to 15,158.43, 22,695.73 and 7,746.93

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Solution

The fourth proportional to 15,158.43, 22,695.73 and 7,746.93 is: 11,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158.43 : 22,695.73 = 7,746.93 : x
  2. Step 2: Convert to fraction form
    15,158.43/22,695.73 = 7,746.93/x
  3. Step 3: Cross multiply
    15,158.43x = 22,695.73 × 7,746.93
  4. Step 4: Simplify right side
    15,158.43x = 175,822,212.24
  5. Step 5: Solve for x
    x = 175,822,212.24/15,158.43
  6. Step 6: Final answer
    x = 11,598.97

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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.