Home / 15,904.40-23,848.92-4,809.20

Finding the Fourth Proportional to 15,904.40, 23,848.92 and 4,809.20

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Solution

The fourth proportional to 15,904.40, 23,848.92 and 4,809.20 is: 7,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.40 : 23,848.92 = 4,809.20 : x
  2. Step 2: Convert to fraction form
    15,904.40/23,848.92 = 4,809.20/x
  3. Step 3: Cross multiply
    15,904.40x = 23,848.92 × 4,809.20
  4. Step 4: Simplify right side
    15,904.40x = 114,694,226.06
  5. Step 5: Solve for x
    x = 114,694,226.06/15,904.40
  6. Step 6: Final answer
    x = 7,211.48

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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.