Home / 25,695.78-38,543.22-10,113.41

Finding the Fourth Proportional to 25,695.78, 38,543.22 and 10,113.41

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Solution

The fourth proportional to 25,695.78, 38,543.22 and 10,113.41 is: 15,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.78 : 38,543.22 = 10,113.41 : x
  2. Step 2: Convert to fraction form
    25,695.78/38,543.22 = 10,113.41/x
  3. Step 3: Cross multiply
    25,695.78x = 38,543.22 × 10,113.41
  4. Step 4: Simplify right side
    25,695.78x = 389,803,386.58
  5. Step 5: Solve for x
    x = 389,803,386.58/25,695.78
  6. Step 6: Final answer
    x = 15,169.94

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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.