Home / 23,031.90-34,492.49-13,141.20

Finding the Fourth Proportional to 23,031.90, 34,492.49 and 13,141.20

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Solution

The fourth proportional to 23,031.90, 34,492.49 and 13,141.20 is: 19,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.90 : 34,492.49 = 13,141.20 : x
  2. Step 2: Convert to fraction form
    23,031.90/34,492.49 = 13,141.20/x
  3. Step 3: Cross multiply
    23,031.90x = 34,492.49 × 13,141.20
  4. Step 4: Simplify right side
    23,031.90x = 453,272,709.59
  5. Step 5: Solve for x
    x = 453,272,709.59/23,031.90
  6. Step 6: Final answer
    x = 19,680.21

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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.