Home / 25,520.29-35,209.56-15,444.91

Finding the Fourth Proportional to 25,520.29, 35,209.56 and 15,444.91

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Solution

The fourth proportional to 25,520.29, 35,209.56 and 15,444.91 is: 21,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.29 : 35,209.56 = 15,444.91 : x
  2. Step 2: Convert to fraction form
    25,520.29/35,209.56 = 15,444.91/x
  3. Step 3: Cross multiply
    25,520.29x = 35,209.56 × 15,444.91
  4. Step 4: Simplify right side
    25,520.29x = 543,808,485.34
  5. Step 5: Solve for x
    x = 543,808,485.34/25,520.29
  6. Step 6: Final answer
    x = 21,308.87

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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.