Home / 18,294.42-27,287.07-17,740.66

Finding the Fourth Proportional to 18,294.42, 27,287.07 and 17,740.66

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Solution

The fourth proportional to 18,294.42, 27,287.07 and 17,740.66 is: 26,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.42 : 27,287.07 = 17,740.66 : x
  2. Step 2: Convert to fraction form
    18,294.42/27,287.07 = 17,740.66/x
  3. Step 3: Cross multiply
    18,294.42x = 27,287.07 × 17,740.66
  4. Step 4: Simplify right side
    18,294.42x = 484,090,631.27
  5. Step 5: Solve for x
    x = 484,090,631.27/18,294.42
  6. Step 6: Final answer
    x = 26,461.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.