Home / 17,812.30-26,740.05-9,042.70

Finding the Fourth Proportional to 17,812.30, 26,740.05 and 9,042.70

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Solution

The fourth proportional to 17,812.30, 26,740.05 and 9,042.70 is: 13,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.30 : 26,740.05 = 9,042.70 : x
  2. Step 2: Convert to fraction form
    17,812.30/26,740.05 = 9,042.70/x
  3. Step 3: Cross multiply
    17,812.30x = 26,740.05 × 9,042.70
  4. Step 4: Simplify right side
    17,812.30x = 241,802,250.14
  5. Step 5: Solve for x
    x = 241,802,250.14/17,812.30
  6. Step 6: Final answer
    x = 13,575.02

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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.