Home / 15,790.28-23,678.66-5,922.72

Finding the Fourth Proportional to 15,790.28, 23,678.66 and 5,922.72

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Solution

The fourth proportional to 15,790.28, 23,678.66 and 5,922.72 is: 8,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.28 : 23,678.66 = 5,922.72 : x
  2. Step 2: Convert to fraction form
    15,790.28/23,678.66 = 5,922.72/x
  3. Step 3: Cross multiply
    15,790.28x = 23,678.66 × 5,922.72
  4. Step 4: Simplify right side
    15,790.28x = 140,242,073.16
  5. Step 5: Solve for x
    x = 140,242,073.16/15,790.28
  6. Step 6: Final answer
    x = 8,881.54

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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.