Home / 15,860.15-23,790.61-5,330.32

Finding the Fourth Proportional to 15,860.15, 23,790.61 and 5,330.32

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Solution

The fourth proportional to 15,860.15, 23,790.61 and 5,330.32 is: 7,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.15 : 23,790.61 = 5,330.32 : x
  2. Step 2: Convert to fraction form
    15,860.15/23,790.61 = 5,330.32/x
  3. Step 3: Cross multiply
    15,860.15x = 23,790.61 × 5,330.32
  4. Step 4: Simplify right side
    15,860.15x = 126,811,491.49
  5. Step 5: Solve for x
    x = 126,811,491.49/15,860.15
  6. Step 6: Final answer
    x = 7,995.61

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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.