Home / 15,026.92-20,728.36-9,054.80

Finding the Fourth Proportional to 15,026.92, 20,728.36 and 9,054.80

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Solution

The fourth proportional to 15,026.92, 20,728.36 and 9,054.80 is: 12,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.92 : 20,728.36 = 9,054.80 : x
  2. Step 2: Convert to fraction form
    15,026.92/20,728.36 = 9,054.80/x
  3. Step 3: Cross multiply
    15,026.92x = 20,728.36 × 9,054.80
  4. Step 4: Simplify right side
    15,026.92x = 187,691,154.13
  5. Step 5: Solve for x
    x = 187,691,154.13/15,026.92
  6. Step 6: Final answer
    x = 12,490.33

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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.