Home / 24,939.72-34,416.84-13,761.72

Finding the Fourth Proportional to 24,939.72, 34,416.84 and 13,761.72

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Solution

The fourth proportional to 24,939.72, 34,416.84 and 13,761.72 is: 18,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,939.72 : 34,416.84 = 13,761.72 : x
  2. Step 2: Convert to fraction form
    24,939.72/34,416.84 = 13,761.72/x
  3. Step 3: Cross multiply
    24,939.72x = 34,416.84 × 13,761.72
  4. Step 4: Simplify right side
    24,939.72x = 473,634,915.36
  5. Step 5: Solve for x
    x = 473,634,915.36/24,939.72
  6. Step 6: Final answer
    x = 18,991.19

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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.