Home / 22,405.13-33,628.45-11,319.62

Finding the Fourth Proportional to 22,405.13, 33,628.45 and 11,319.62

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Solution

The fourth proportional to 22,405.13, 33,628.45 and 11,319.62 is: 16,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.13 : 33,628.45 = 11,319.62 : x
  2. Step 2: Convert to fraction form
    22,405.13/33,628.45 = 11,319.62/x
  3. Step 3: Cross multiply
    22,405.13x = 33,628.45 × 11,319.62
  4. Step 4: Simplify right side
    22,405.13x = 380,661,275.19
  5. Step 5: Solve for x
    x = 380,661,275.19/22,405.13
  6. Step 6: Final answer
    x = 16,989.92

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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.