Home / 25,051.68-34,535.16-20,327.76

Finding the Fourth Proportional to 25,051.68, 34,535.16 and 20,327.76

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Solution

The fourth proportional to 25,051.68, 34,535.16 and 20,327.76 is: 28,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,051.68 : 34,535.16 = 20,327.76 : x
  2. Step 2: Convert to fraction form
    25,051.68/34,535.16 = 20,327.76/x
  3. Step 3: Cross multiply
    25,051.68x = 34,535.16 × 20,327.76
  4. Step 4: Simplify right side
    25,051.68x = 702,022,444.04
  5. Step 5: Solve for x
    x = 702,022,444.04/25,051.68
  6. Step 6: Final answer
    x = 28,022.97

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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.