Home / 24,478.72-33,780.63-13,868.35

Finding the Fourth Proportional to 24,478.72, 33,780.63 and 13,868.35

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Solution

The fourth proportional to 24,478.72, 33,780.63 and 13,868.35 is: 19,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,478.72 : 33,780.63 = 13,868.35 : x
  2. Step 2: Convert to fraction form
    24,478.72/33,780.63 = 13,868.35/x
  3. Step 3: Cross multiply
    24,478.72x = 33,780.63 × 13,868.35
  4. Step 4: Simplify right side
    24,478.72x = 468,481,489.61
  5. Step 5: Solve for x
    x = 468,481,489.61/24,478.72
  6. Step 6: Final answer
    x = 19,138.31

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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.