Home / 17,939.26-24,756.20-9,981.49

Finding the Fourth Proportional to 17,939.26, 24,756.20 and 9,981.49

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Solution

The fourth proportional to 17,939.26, 24,756.20 and 9,981.49 is: 13,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.26 : 24,756.20 = 9,981.49 : x
  2. Step 2: Convert to fraction form
    17,939.26/24,756.20 = 9,981.49/x
  3. Step 3: Cross multiply
    17,939.26x = 24,756.20 × 9,981.49
  4. Step 4: Simplify right side
    17,939.26x = 247,103,762.74
  5. Step 5: Solve for x
    x = 247,103,762.74/17,939.26
  6. Step 6: Final answer
    x = 13,774.47

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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.