Home / 18,098.04-27,142.80-7,001.04

Finding the Fourth Proportional to 18,098.04, 27,142.80 and 7,001.04

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Solution

The fourth proportional to 18,098.04, 27,142.80 and 7,001.04 is: 10,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.04 : 27,142.80 = 7,001.04 : x
  2. Step 2: Convert to fraction form
    18,098.04/27,142.80 = 7,001.04/x
  3. Step 3: Cross multiply
    18,098.04x = 27,142.80 × 7,001.04
  4. Step 4: Simplify right side
    18,098.04x = 190,027,828.51
  5. Step 5: Solve for x
    x = 190,027,828.51/18,098.04
  6. Step 6: Final answer
    x = 10,499.91

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.