Home / 15,813.11-23,721.02-4,126.32

Finding the Fourth Proportional to 15,813.11, 23,721.02 and 4,126.32

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Solution

The fourth proportional to 15,813.11, 23,721.02 and 4,126.32 is: 6,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.11 : 23,721.02 = 4,126.32 : x
  2. Step 2: Convert to fraction form
    15,813.11/23,721.02 = 4,126.32/x
  3. Step 3: Cross multiply
    15,813.11x = 23,721.02 × 4,126.32
  4. Step 4: Simplify right side
    15,813.11x = 97,880,498.61
  5. Step 5: Solve for x
    x = 97,880,498.61/15,813.11
  6. Step 6: Final answer
    x = 6,189.83

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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.