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Finding the Fourth Proportional to 14,881.88, 20,523.53 and 9,851.10

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Solution

The fourth proportional to 14,881.88, 20,523.53 and 9,851.10 is: 13,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,881.88 : 20,523.53 = 9,851.10 : x
  2. Step 2: Convert to fraction form
    14,881.88/20,523.53 = 9,851.10/x
  3. Step 3: Cross multiply
    14,881.88x = 20,523.53 × 9,851.10
  4. Step 4: Simplify right side
    14,881.88x = 202,179,346.38
  5. Step 5: Solve for x
    x = 202,179,346.38/14,881.88
  6. Step 6: Final answer
    x = 13,585.61

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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.