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Finding the Fourth Proportional to 16,762.10, 25,143.15 and 14,947.70

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Solution

The fourth proportional to 16,762.10, 25,143.15 and 14,947.70 is: 22,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.10 : 25,143.15 = 14,947.70 : x
  2. Step 2: Convert to fraction form
    16,762.10/25,143.15 = 14,947.70/x
  3. Step 3: Cross multiply
    16,762.10x = 25,143.15 × 14,947.70
  4. Step 4: Simplify right side
    16,762.10x = 375,832,263.26
  5. Step 5: Solve for x
    x = 375,832,263.26/16,762.10
  6. Step 6: Final answer
    x = 22,421.55

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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.