Home / 15,130.88-22,699.52-4,743.68

Finding the Fourth Proportional to 15,130.88, 22,699.52 and 4,743.68

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Solution

The fourth proportional to 15,130.88, 22,699.52 and 4,743.68 is: 7,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.88 : 22,699.52 = 4,743.68 : x
  2. Step 2: Convert to fraction form
    15,130.88/22,699.52 = 4,743.68/x
  3. Step 3: Cross multiply
    15,130.88x = 22,699.52 × 4,743.68
  4. Step 4: Simplify right side
    15,130.88x = 107,679,259.03
  5. Step 5: Solve for x
    x = 107,679,259.03/15,130.88
  6. Step 6: Final answer
    x = 7,116.52

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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.