Home / 25,617.76-35,353.20-14,442.40

Finding the Fourth Proportional to 25,617.76, 35,353.20 and 14,442.40

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Solution

The fourth proportional to 25,617.76, 35,353.20 and 14,442.40 is: 19,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.76 : 35,353.20 = 14,442.40 : x
  2. Step 2: Convert to fraction form
    25,617.76/35,353.20 = 14,442.40/x
  3. Step 3: Cross multiply
    25,617.76x = 35,353.20 × 14,442.40
  4. Step 4: Simplify right side
    25,617.76x = 510,585,055.68
  5. Step 5: Solve for x
    x = 510,585,055.68/25,617.76
  6. Step 6: Final answer
    x = 19,930.90

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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.