Home / 25,379.20-38,068.80-10,588.60

Finding the Fourth Proportional to 25,379.20, 38,068.80 and 10,588.60

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Solution

The fourth proportional to 25,379.20, 38,068.80 and 10,588.60 is: 15,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.20 : 38,068.80 = 10,588.60 : x
  2. Step 2: Convert to fraction form
    25,379.20/38,068.80 = 10,588.60/x
  3. Step 3: Cross multiply
    25,379.20x = 38,068.80 × 10,588.60
  4. Step 4: Simplify right side
    25,379.20x = 403,095,295.68
  5. Step 5: Solve for x
    x = 403,095,295.68/25,379.20
  6. Step 6: Final answer
    x = 15,882.90

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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.