Home / 15,802.88-23,687.68-5,270.08

Finding the Fourth Proportional to 15,802.88, 23,687.68 and 5,270.08

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Solution

The fourth proportional to 15,802.88, 23,687.68 and 5,270.08 is: 7,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802.88 : 23,687.68 = 5,270.08 : x
  2. Step 2: Convert to fraction form
    15,802.88/23,687.68 = 5,270.08/x
  3. Step 3: Cross multiply
    15,802.88x = 23,687.68 × 5,270.08
  4. Step 4: Simplify right side
    15,802.88x = 124,835,968.61
  5. Step 5: Solve for x
    x = 124,835,968.61/15,802.88
  6. Step 6: Final answer
    x = 7,899.57

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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.