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Finding the Fourth Proportional to 14,670.76, 20,250.12 and 11,706.97

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Solution

The fourth proportional to 14,670.76, 20,250.12 and 11,706.97 is: 16,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.76 : 20,250.12 = 11,706.97 : x
  2. Step 2: Convert to fraction form
    14,670.76/20,250.12 = 11,706.97/x
  3. Step 3: Cross multiply
    14,670.76x = 20,250.12 × 11,706.97
  4. Step 4: Simplify right side
    14,670.76x = 237,067,547.34
  5. Step 5: Solve for x
    x = 237,067,547.34/14,670.76
  6. Step 6: Final answer
    x = 16,159.19

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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.