Home / 26,095.20-39,200.40-18,319.20

Finding the Fourth Proportional to 26,095.20, 39,200.40 and 18,319.20

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Solution

The fourth proportional to 26,095.20, 39,200.40 and 18,319.20 is: 27,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,095.20 : 39,200.40 = 18,319.20 : x
  2. Step 2: Convert to fraction form
    26,095.20/39,200.40 = 18,319.20/x
  3. Step 3: Cross multiply
    26,095.20x = 39,200.40 × 18,319.20
  4. Step 4: Simplify right side
    26,095.20x = 718,119,967.68
  5. Step 5: Solve for x
    x = 718,119,967.68/26,095.20
  6. Step 6: Final answer
    x = 27,519.24

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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.