Home / 15,159.40-22,739.94-4,631.02

Finding the Fourth Proportional to 15,159.40, 22,739.94 and 4,631.02

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Solution

The fourth proportional to 15,159.40, 22,739.94 and 4,631.02 is: 6,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.40 : 22,739.94 = 4,631.02 : x
  2. Step 2: Convert to fraction form
    15,159.40/22,739.94 = 4,631.02/x
  3. Step 3: Cross multiply
    15,159.40x = 22,739.94 × 4,631.02
  4. Step 4: Simplify right side
    15,159.40x = 105,309,060.09
  5. Step 5: Solve for x
    x = 105,309,060.09/15,159.40
  6. Step 6: Final answer
    x = 6,946.78

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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.