Home / 15,784.56-23,677.44-5,255.52

Finding the Fourth Proportional to 15,784.56, 23,677.44 and 5,255.52

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Solution

The fourth proportional to 15,784.56, 23,677.44 and 5,255.52 is: 7,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.56 : 23,677.44 = 5,255.52 : x
  2. Step 2: Convert to fraction form
    15,784.56/23,677.44 = 5,255.52/x
  3. Step 3: Cross multiply
    15,784.56x = 23,677.44 × 5,255.52
  4. Step 4: Simplify right side
    15,784.56x = 124,437,259.47
  5. Step 5: Solve for x
    x = 124,437,259.47/15,784.56
  6. Step 6: Final answer
    x = 7,883.48

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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.