Home / 25,542.96-35,250.30-15,465.68

Finding the Fourth Proportional to 25,542.96, 35,250.30 and 15,465.68

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Solution

The fourth proportional to 25,542.96, 35,250.30 and 15,465.68 is: 21,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.96 : 35,250.30 = 15,465.68 : x
  2. Step 2: Convert to fraction form
    25,542.96/35,250.30 = 15,465.68/x
  3. Step 3: Cross multiply
    25,542.96x = 35,250.30 × 15,465.68
  4. Step 4: Simplify right side
    25,542.96x = 545,169,859.70
  5. Step 5: Solve for x
    x = 545,169,859.70/25,542.96
  6. Step 6: Final answer
    x = 21,343.25

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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.