Home / 15,807.29-23,710.94-4,120.48

Finding the Fourth Proportional to 15,807.29, 23,710.94 and 4,120.48

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Solution

The fourth proportional to 15,807.29, 23,710.94 and 4,120.48 is: 6,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.29 : 23,710.94 = 4,120.48 : x
  2. Step 2: Convert to fraction form
    15,807.29/23,710.94 = 4,120.48/x
  3. Step 3: Cross multiply
    15,807.29x = 23,710.94 × 4,120.48
  4. Step 4: Simplify right side
    15,807.29x = 97,700,314.89
  5. Step 5: Solve for x
    x = 97,700,314.89/15,807.29
  6. Step 6: Final answer
    x = 6,180.71

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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.