Home / 15,375.71-23,061.26-4,281.26

Finding the Fourth Proportional to 15,375.71, 23,061.26 and 4,281.26

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Solution

The fourth proportional to 15,375.71, 23,061.26 and 4,281.26 is: 6,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.71 : 23,061.26 = 4,281.26 : x
  2. Step 2: Convert to fraction form
    15,375.71/23,061.26 = 4,281.26/x
  3. Step 3: Cross multiply
    15,375.71x = 23,061.26 × 4,281.26
  4. Step 4: Simplify right side
    15,375.71x = 98,731,113.28
  5. Step 5: Solve for x
    x = 98,731,113.28/15,375.71
  6. Step 6: Final answer
    x = 6,421.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.