Home / 15,928.20-23,874.30-7,612.20

Finding the Fourth Proportional to 15,928.20, 23,874.30 and 7,612.20

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Solution

The fourth proportional to 15,928.20, 23,874.30 and 7,612.20 is: 11,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.20 : 23,874.30 = 7,612.20 : x
  2. Step 2: Convert to fraction form
    15,928.20/23,874.30 = 7,612.20/x
  3. Step 3: Cross multiply
    15,928.20x = 23,874.30 × 7,612.20
  4. Step 4: Simplify right side
    15,928.20x = 181,735,946.46
  5. Step 5: Solve for x
    x = 181,735,946.46/15,928.20
  6. Step 6: Final answer
    x = 11,409.70

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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.