Home / 25,512.03-35,209.01-15,442.99

Finding the Fourth Proportional to 25,512.03, 35,209.01 and 15,442.99

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Solution

The fourth proportional to 25,512.03, 35,209.01 and 15,442.99 is: 21,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.03 : 35,209.01 = 15,442.99 : x
  2. Step 2: Convert to fraction form
    25,512.03/35,209.01 = 15,442.99/x
  3. Step 3: Cross multiply
    25,512.03x = 35,209.01 × 15,442.99
  4. Step 4: Simplify right side
    25,512.03x = 543,732,339.92
  5. Step 5: Solve for x
    x = 543,732,339.92/25,512.03
  6. Step 6: Final answer
    x = 21,312.78

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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.