Home / 15,309.48-22,965.12-4,781.01

Finding the Fourth Proportional to 15,309.48, 22,965.12 and 4,781.01

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Solution

The fourth proportional to 15,309.48, 22,965.12 and 4,781.01 is: 7,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.48 : 22,965.12 = 4,781.01 : x
  2. Step 2: Convert to fraction form
    15,309.48/22,965.12 = 4,781.01/x
  3. Step 3: Cross multiply
    15,309.48x = 22,965.12 × 4,781.01
  4. Step 4: Simplify right side
    15,309.48x = 109,796,468.37
  5. Step 5: Solve for x
    x = 109,796,468.37/15,309.48
  6. Step 6: Final answer
    x = 7,171.80

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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.