Home / 22,739.20-34,114.80-7,948.08

Finding the Fourth Proportional to 22,739.20, 34,114.80 and 7,948.08

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Solution

The fourth proportional to 22,739.20, 34,114.80 and 7,948.08 is: 11,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.20 : 34,114.80 = 7,948.08 : x
  2. Step 2: Convert to fraction form
    22,739.20/34,114.80 = 7,948.08/x
  3. Step 3: Cross multiply
    22,739.20x = 34,114.80 × 7,948.08
  4. Step 4: Simplify right side
    22,739.20x = 271,147,159.58
  5. Step 5: Solve for x
    x = 271,147,159.58/22,739.20
  6. Step 6: Final answer
    x = 11,924.22

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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.