Home / 15,083.70-22,624.74-3,990.75

Finding the Fourth Proportional to 15,083.70, 22,624.74 and 3,990.75

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Solution

The fourth proportional to 15,083.70, 22,624.74 and 3,990.75 is: 5,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083.70 : 22,624.74 = 3,990.75 : x
  2. Step 2: Convert to fraction form
    15,083.70/22,624.74 = 3,990.75/x
  3. Step 3: Cross multiply
    15,083.70x = 22,624.74 × 3,990.75
  4. Step 4: Simplify right side
    15,083.70x = 90,289,681.16
  5. Step 5: Solve for x
    x = 90,289,681.16/15,083.70
  6. Step 6: Final answer
    x = 5,985.91

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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.