Home / 15,799.56-21,803.20-8,726.04

Finding the Fourth Proportional to 15,799.56, 21,803.20 and 8,726.04

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Solution

The fourth proportional to 15,799.56, 21,803.20 and 8,726.04 is: 12,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.56 : 21,803.20 = 8,726.04 : x
  2. Step 2: Convert to fraction form
    15,799.56/21,803.20 = 8,726.04/x
  3. Step 3: Cross multiply
    15,799.56x = 21,803.20 × 8,726.04
  4. Step 4: Simplify right side
    15,799.56x = 190,255,595.33
  5. Step 5: Solve for x
    x = 190,255,595.33/15,799.56
  6. Step 6: Final answer
    x = 12,041.83

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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.