Home / 17,860.48-26,781.54-10,479.49

Finding the Fourth Proportional to 17,860.48, 26,781.54 and 10,479.49

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Solution

The fourth proportional to 17,860.48, 26,781.54 and 10,479.49 is: 15,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.48 : 26,781.54 = 10,479.49 : x
  2. Step 2: Convert to fraction form
    17,860.48/26,781.54 = 10,479.49/x
  3. Step 3: Cross multiply
    17,860.48x = 26,781.54 × 10,479.49
  4. Step 4: Simplify right side
    17,860.48x = 280,656,880.61
  5. Step 5: Solve for x
    x = 280,656,880.61/17,860.48
  6. Step 6: Final answer
    x = 15,713.85

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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.