Home / 25,512.91-35,199.39-15,437.52

Finding the Fourth Proportional to 25,512.91, 35,199.39 and 15,437.52

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Solution

The fourth proportional to 25,512.91, 35,199.39 and 15,437.52 is: 21,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.91 : 35,199.39 = 15,437.52 : x
  2. Step 2: Convert to fraction form
    25,512.91/35,199.39 = 15,437.52/x
  3. Step 3: Cross multiply
    25,512.91x = 35,199.39 × 15,437.52
  4. Step 4: Simplify right side
    25,512.91x = 543,391,345.00
  5. Step 5: Solve for x
    x = 543,391,345.00/25,512.91
  6. Step 6: Final answer
    x = 21,298.68

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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.