Home / 25,628.16-35,365.12-14,449.92

Finding the Fourth Proportional to 25,628.16, 35,365.12 and 14,449.92

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Solution

The fourth proportional to 25,628.16, 35,365.12 and 14,449.92 is: 19,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.16 : 35,365.12 = 14,449.92 : x
  2. Step 2: Convert to fraction form
    25,628.16/35,365.12 = 14,449.92/x
  3. Step 3: Cross multiply
    25,628.16x = 35,365.12 × 14,449.92
  4. Step 4: Simplify right side
    25,628.16x = 511,023,154.79
  5. Step 5: Solve for x
    x = 511,023,154.79/25,628.16
  6. Step 6: Final answer
    x = 19,939.91

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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.