Home / 13,042.60-18,001.38-8,567.08

Finding the Fourth Proportional to 13,042.60, 18,001.38 and 8,567.08

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Solution

The fourth proportional to 13,042.60, 18,001.38 and 8,567.08 is: 11,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.60 : 18,001.38 = 8,567.08 : x
  2. Step 2: Convert to fraction form
    13,042.60/18,001.38 = 8,567.08/x
  3. Step 3: Cross multiply
    13,042.60x = 18,001.38 × 8,567.08
  4. Step 4: Simplify right side
    13,042.60x = 154,219,262.57
  5. Step 5: Solve for x
    x = 154,219,262.57/13,042.60
  6. Step 6: Final answer
    x = 11,824.27

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Half scale
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Double scale
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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.