Home / 25,598.38-35,315.61-15,523.14

Finding the Fourth Proportional to 25,598.38, 35,315.61 and 15,523.14

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Solution

The fourth proportional to 25,598.38, 35,315.61 and 15,523.14 is: 21,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,598.38 : 35,315.61 = 15,523.14 : x
  2. Step 2: Convert to fraction form
    25,598.38/35,315.61 = 15,523.14/x
  3. Step 3: Cross multiply
    25,598.38x = 35,315.61 × 15,523.14
  4. Step 4: Simplify right side
    25,598.38x = 548,209,254.27
  5. Step 5: Solve for x
    x = 548,209,254.27/25,598.38
  6. Step 6: Final answer
    x = 21,415.78

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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.