Home / 25,748.16-35,530.24-14,991.36

Finding the Fourth Proportional to 25,748.16, 35,530.24 and 14,991.36

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Solution

The fourth proportional to 25,748.16, 35,530.24 and 14,991.36 is: 20,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.16 : 35,530.24 = 14,991.36 : x
  2. Step 2: Convert to fraction form
    25,748.16/35,530.24 = 14,991.36/x
  3. Step 3: Cross multiply
    25,748.16x = 35,530.24 × 14,991.36
  4. Step 4: Simplify right side
    25,748.16x = 532,646,618.73
  5. Step 5: Solve for x
    x = 532,646,618.73/25,748.16
  6. Step 6: Final answer
    x = 20,686.78

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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.