Home / 28,049.68-42,076.76-9,329.04

Finding the Fourth Proportional to 28,049.68, 42,076.76 and 9,329.04

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Solution

The fourth proportional to 28,049.68, 42,076.76 and 9,329.04 is: 13,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.68 : 42,076.76 = 9,329.04 : x
  2. Step 2: Convert to fraction form
    28,049.68/42,076.76 = 9,329.04/x
  3. Step 3: Cross multiply
    28,049.68x = 42,076.76 × 9,329.04
  4. Step 4: Simplify right side
    28,049.68x = 392,535,777.11
  5. Step 5: Solve for x
    x = 392,535,777.11/28,049.68
  6. Step 6: Final answer
    x = 13,994.31

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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.