Home / 24,479.12-33,781.88-13,868.76

Finding the Fourth Proportional to 24,479.12, 33,781.88 and 13,868.76

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Solution

The fourth proportional to 24,479.12, 33,781.88 and 13,868.76 is: 19,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.12 : 33,781.88 = 13,868.76 : x
  2. Step 2: Convert to fraction form
    24,479.12/33,781.88 = 13,868.76/x
  3. Step 3: Cross multiply
    24,479.12x = 33,781.88 × 13,868.76
  4. Step 4: Simplify right side
    24,479.12x = 468,512,786.07
  5. Step 5: Solve for x
    x = 468,512,786.07/24,479.12
  6. Step 6: Final answer
    x = 19,139.28

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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.