Home / 22,739.60-31,364.60-13,310.04

Finding the Fourth Proportional to 22,739.60, 31,364.60 and 13,310.04

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Solution

The fourth proportional to 22,739.60, 31,364.60 and 13,310.04 is: 18,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.60 : 31,364.60 = 13,310.04 : x
  2. Step 2: Convert to fraction form
    22,739.60/31,364.60 = 13,310.04/x
  3. Step 3: Cross multiply
    22,739.60x = 31,364.60 × 13,310.04
  4. Step 4: Simplify right side
    22,739.60x = 417,464,080.58
  5. Step 5: Solve for x
    x = 417,464,080.58/22,739.60
  6. Step 6: Final answer
    x = 18,358.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.