Home / 25,120.24-37,687.50-20,484.10

Finding the Fourth Proportional to 25,120.24, 37,687.50 and 20,484.10

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Solution

The fourth proportional to 25,120.24, 37,687.50 and 20,484.10 is: 30,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.24 : 37,687.50 = 20,484.10 : x
  2. Step 2: Convert to fraction form
    25,120.24/37,687.50 = 20,484.10/x
  3. Step 3: Cross multiply
    25,120.24x = 37,687.50 × 20,484.10
  4. Step 4: Simplify right side
    25,120.24x = 771,994,518.75
  5. Step 5: Solve for x
    x = 771,994,518.75/25,120.24
  6. Step 6: Final answer
    x = 30,731.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.