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Finding the Fourth Proportional to 14,857.92, 22,155.93 and 14,724.68

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Solution

The fourth proportional to 14,857.92, 22,155.93 and 14,724.68 is: 21,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,857.92 : 22,155.93 = 14,724.68 : x
  2. Step 2: Convert to fraction form
    14,857.92/22,155.93 = 14,724.68/x
  3. Step 3: Cross multiply
    14,857.92x = 22,155.93 × 14,724.68
  4. Step 4: Simplify right side
    14,857.92x = 326,238,868.57
  5. Step 5: Solve for x
    x = 326,238,868.57/14,857.92
  6. Step 6: Final answer
    x = 21,957.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.