Home / 15,775.70-23,655.29-4,680.86

Finding the Fourth Proportional to 15,775.70, 23,655.29 and 4,680.86

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Solution

The fourth proportional to 15,775.70, 23,655.29 and 4,680.86 is: 7,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.70 : 23,655.29 = 4,680.86 : x
  2. Step 2: Convert to fraction form
    15,775.70/23,655.29 = 4,680.86/x
  3. Step 3: Cross multiply
    15,775.70x = 23,655.29 × 4,680.86
  4. Step 4: Simplify right side
    15,775.70x = 110,726,959.07
  5. Step 5: Solve for x
    x = 110,726,959.07/15,775.70
  6. Step 6: Final answer
    x = 7,018.83

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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.