Home / 22,309.60-33,502.80-15,781.60

Finding the Fourth Proportional to 22,309.60, 33,502.80 and 15,781.60

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Solution

The fourth proportional to 22,309.60, 33,502.80 and 15,781.60 is: 23,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.60 : 33,502.80 = 15,781.60 : x
  2. Step 2: Convert to fraction form
    22,309.60/33,502.80 = 15,781.60/x
  3. Step 3: Cross multiply
    22,309.60x = 33,502.80 × 15,781.60
  4. Step 4: Simplify right side
    22,309.60x = 528,727,788.48
  5. Step 5: Solve for x
    x = 528,727,788.48/22,309.60
  6. Step 6: Final answer
    x = 23,699.56

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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.