Home / 15,981.68-22,053.60-9,176.48

Finding the Fourth Proportional to 15,981.68, 22,053.60 and 9,176.48

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Solution

The fourth proportional to 15,981.68, 22,053.60 and 9,176.48 is: 12,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.68 : 22,053.60 = 9,176.48 : x
  2. Step 2: Convert to fraction form
    15,981.68/22,053.60 = 9,176.48/x
  3. Step 3: Cross multiply
    15,981.68x = 22,053.60 × 9,176.48
  4. Step 4: Simplify right side
    15,981.68x = 202,374,419.33
  5. Step 5: Solve for x
    x = 202,374,419.33/15,981.68
  6. Step 6: Final answer
    x = 12,662.90

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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.