Home / 15,947.12-23,920.60-4,853.80

Finding the Fourth Proportional to 15,947.12, 23,920.60 and 4,853.80

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Solution

The fourth proportional to 15,947.12, 23,920.60 and 4,853.80 is: 7,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.12 : 23,920.60 = 4,853.80 : x
  2. Step 2: Convert to fraction form
    15,947.12/23,920.60 = 4,853.80/x
  3. Step 3: Cross multiply
    15,947.12x = 23,920.60 × 4,853.80
  4. Step 4: Simplify right side
    15,947.12x = 116,105,808.28
  5. Step 5: Solve for x
    x = 116,105,808.28/15,947.12
  6. Step 6: Final answer
    x = 7,280.68

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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.