Home / 22,879.20-34,340.40-14,131.20

Finding the Fourth Proportional to 22,879.20, 34,340.40 and 14,131.20

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Solution

The fourth proportional to 22,879.20, 34,340.40 and 14,131.20 is: 21,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.20 : 34,340.40 = 14,131.20 : x
  2. Step 2: Convert to fraction form
    22,879.20/34,340.40 = 14,131.20/x
  3. Step 3: Cross multiply
    22,879.20x = 34,340.40 × 14,131.20
  4. Step 4: Simplify right side
    22,879.20x = 485,271,060.48
  5. Step 5: Solve for x
    x = 485,271,060.48/22,879.20
  6. Step 6: Final answer
    x = 21,210.14

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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.