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Finding the Fourth Proportional to 18,737.04, 25,856.10 and 10,353

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Solution

The fourth proportional to 18,737.04, 25,856.10 and 10,353 is: 14,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.04 : 25,856.10 = 10,353 : x
  2. Step 2: Convert to fraction form
    18,737.04/25,856.10 = 10,353/x
  3. Step 3: Cross multiply
    18,737.04x = 25,856.10 × 10,353
  4. Step 4: Simplify right side
    18,737.04x = 267,688,203.30
  5. Step 5: Solve for x
    x = 267,688,203.30/18,737.04
  6. Step 6: Final answer
    x = 14,286.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.