Home / 15,974.32-23,965.40-4,881.20

Finding the Fourth Proportional to 15,974.32, 23,965.40 and 4,881.20

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Solution

The fourth proportional to 15,974.32, 23,965.40 and 4,881.20 is: 7,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.32 : 23,965.40 = 4,881.20 : x
  2. Step 2: Convert to fraction form
    15,974.32/23,965.40 = 4,881.20/x
  3. Step 3: Cross multiply
    15,974.32x = 23,965.40 × 4,881.20
  4. Step 4: Simplify right side
    15,974.32x = 116,979,910.48
  5. Step 5: Solve for x
    x = 116,979,910.48/15,974.32
  6. Step 6: Final answer
    x = 7,323.00

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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.