Home / 24,886.42-34,342.78-13,555.78

Finding the Fourth Proportional to 24,886.42, 34,342.78 and 13,555.78

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Solution

The fourth proportional to 24,886.42, 34,342.78 and 13,555.78 is: 18,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,886.42 : 34,342.78 = 13,555.78 : x
  2. Step 2: Convert to fraction form
    24,886.42/34,342.78 = 13,555.78/x
  3. Step 3: Cross multiply
    24,886.42x = 34,342.78 × 13,555.78
  4. Step 4: Simplify right side
    24,886.42x = 465,543,179.31
  5. Step 5: Solve for x
    x = 465,543,179.31/24,886.42
  6. Step 6: Final answer
    x = 18,706.72

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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.