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Finding the Fourth Proportional to 14,874.17, 20,526.84 and 8,160.35

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Solution

The fourth proportional to 14,874.17, 20,526.84 and 8,160.35 is: 11,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.17 : 20,526.84 = 8,160.35 : x
  2. Step 2: Convert to fraction form
    14,874.17/20,526.84 = 8,160.35/x
  3. Step 3: Cross multiply
    14,874.17x = 20,526.84 × 8,160.35
  4. Step 4: Simplify right side
    14,874.17x = 167,506,096.16
  5. Step 5: Solve for x
    x = 167,506,096.16/14,874.17
  6. Step 6: Final answer
    x = 11,261.55

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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.