Home / 23,491.46-32,419.70-15,519.71

Finding the Fourth Proportional to 23,491.46, 32,419.70 and 15,519.71

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Solution

The fourth proportional to 23,491.46, 32,419.70 and 15,519.71 is: 21,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.46 : 32,419.70 = 15,519.71 : x
  2. Step 2: Convert to fraction form
    23,491.46/32,419.70 = 15,519.71/x
  3. Step 3: Cross multiply
    23,491.46x = 32,419.70 × 15,519.71
  4. Step 4: Simplify right side
    23,491.46x = 503,144,102.59
  5. Step 5: Solve for x
    x = 503,144,102.59/23,491.46
  6. Step 6: Final answer
    x = 21,418.18

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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.