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Finding the Fourth Proportional to 18,116.96, 25,001.01 and 10,159.01

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Solution

The fourth proportional to 18,116.96, 25,001.01 and 10,159.01 is: 14,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.96 : 25,001.01 = 10,159.01 : x
  2. Step 2: Convert to fraction form
    18,116.96/25,001.01 = 10,159.01/x
  3. Step 3: Cross multiply
    18,116.96x = 25,001.01 × 10,159.01
  4. Step 4: Simplify right side
    18,116.96x = 253,985,385.60
  5. Step 5: Solve for x
    x = 253,985,385.60/18,116.96
  6. Step 6: Final answer
    x = 14,019.21

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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.