Home / 25,230.20-37,853.40-7,701.80

Finding the Fourth Proportional to 25,230.20, 37,853.40 and 7,701.80

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Solution

The fourth proportional to 25,230.20, 37,853.40 and 7,701.80 is: 11,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230.20 : 37,853.40 = 7,701.80 : x
  2. Step 2: Convert to fraction form
    25,230.20/37,853.40 = 7,701.80/x
  3. Step 3: Cross multiply
    25,230.20x = 37,853.40 × 7,701.80
  4. Step 4: Simplify right side
    25,230.20x = 291,539,316.12
  5. Step 5: Solve for x
    x = 291,539,316.12/25,230.20
  6. Step 6: Final answer
    x = 11,555.17

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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.