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Finding the Fourth Proportional to 14,885.56, 20,543.11 and 9,841.01

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Solution

The fourth proportional to 14,885.56, 20,543.11 and 9,841.01 is: 13,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.56 : 20,543.11 = 9,841.01 : x
  2. Step 2: Convert to fraction form
    14,885.56/20,543.11 = 9,841.01/x
  3. Step 3: Cross multiply
    14,885.56x = 20,543.11 × 9,841.01
  4. Step 4: Simplify right side
    14,885.56x = 202,164,977.70
  5. Step 5: Solve for x
    x = 202,164,977.70/14,885.56
  6. Step 6: Final answer
    x = 13,581.28

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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.