Home / 18,761.02-25,889.89-10,377.52

Finding the Fourth Proportional to 18,761.02, 25,889.89 and 10,377.52

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Solution

The fourth proportional to 18,761.02, 25,889.89 and 10,377.52 is: 14,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.02 : 25,889.89 = 10,377.52 : x
  2. Step 2: Convert to fraction form
    18,761.02/25,889.89 = 10,377.52/x
  3. Step 3: Cross multiply
    18,761.02x = 25,889.89 × 10,377.52
  4. Step 4: Simplify right side
    18,761.02x = 268,672,851.27
  5. Step 5: Solve for x
    x = 268,672,851.27/18,761.02
  6. Step 6: Final answer
    x = 14,320.80

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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.