Home / 25,440.88-38,170.40-15,465.92

Finding the Fourth Proportional to 25,440.88, 38,170.40 and 15,465.92

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Solution

The fourth proportional to 25,440.88, 38,170.40 and 15,465.92 is: 23,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.88 : 38,170.40 = 15,465.92 : x
  2. Step 2: Convert to fraction form
    25,440.88/38,170.40 = 15,465.92/x
  3. Step 3: Cross multiply
    25,440.88x = 38,170.40 × 15,465.92
  4. Step 4: Simplify right side
    25,440.88x = 590,340,352.77
  5. Step 5: Solve for x
    x = 590,340,352.77/25,440.88
  6. Step 6: Final answer
    x = 23,204.40

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1.5x scale

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.