Home / 18,000.75-24,841.05-10,042.81

Finding the Fourth Proportional to 18,000.75, 24,841.05 and 10,042.81

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Solution

The fourth proportional to 18,000.75, 24,841.05 and 10,042.81 is: 13,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.75 : 24,841.05 = 10,042.81 : x
  2. Step 2: Convert to fraction form
    18,000.75/24,841.05 = 10,042.81/x
  3. Step 3: Cross multiply
    18,000.75x = 24,841.05 × 10,042.81
  4. Step 4: Simplify right side
    18,000.75x = 249,473,845.59
  5. Step 5: Solve for x
    x = 249,473,845.59/18,000.75
  6. Step 6: Final answer
    x = 13,859.08

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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.