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Finding the Fourth Proportional to 14,524.90, 20,035.65 and 8,926.18

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Solution

The fourth proportional to 14,524.90, 20,035.65 and 8,926.18 is: 12,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,524.90 : 20,035.65 = 8,926.18 : x
  2. Step 2: Convert to fraction form
    14,524.90/20,035.65 = 8,926.18/x
  3. Step 3: Cross multiply
    14,524.90x = 20,035.65 × 8,926.18
  4. Step 4: Simplify right side
    14,524.90x = 178,841,818.32
  5. Step 5: Solve for x
    x = 178,841,818.32/14,524.90
  6. Step 6: Final answer
    x = 12,312.77

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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.