Home / 15,993.65-22,080.28-11,091.12

Finding the Fourth Proportional to 15,993.65, 22,080.28 and 11,091.12

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Solution

The fourth proportional to 15,993.65, 22,080.28 and 11,091.12 is: 15,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.65 : 22,080.28 = 11,091.12 : x
  2. Step 2: Convert to fraction form
    15,993.65/22,080.28 = 11,091.12/x
  3. Step 3: Cross multiply
    15,993.65x = 22,080.28 × 11,091.12
  4. Step 4: Simplify right side
    15,993.65x = 244,895,035.11
  5. Step 5: Solve for x
    x = 244,895,035.11/15,993.65
  6. Step 6: Final answer
    x = 15,312.02

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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.