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Finding the Fourth Proportional to 18,164.66, 25,068.29 and 10,098.47

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Solution

The fourth proportional to 18,164.66, 25,068.29 and 10,098.47 is: 13,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.66 : 25,068.29 = 10,098.47 : x
  2. Step 2: Convert to fraction form
    18,164.66/25,068.29 = 10,098.47/x
  3. Step 3: Cross multiply
    18,164.66x = 25,068.29 × 10,098.47
  4. Step 4: Simplify right side
    18,164.66x = 253,151,386.69
  5. Step 5: Solve for x
    x = 253,151,386.69/18,164.66
  6. Step 6: Final answer
    x = 13,936.48

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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.