Home / 15,913.79-23,865.15-8,013.25

Finding the Fourth Proportional to 15,913.79, 23,865.15 and 8,013.25

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Solution

The fourth proportional to 15,913.79, 23,865.15 and 8,013.25 is: 12,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.79 : 23,865.15 = 8,013.25 : x
  2. Step 2: Convert to fraction form
    15,913.79/23,865.15 = 8,013.25/x
  3. Step 3: Cross multiply
    15,913.79x = 23,865.15 × 8,013.25
  4. Step 4: Simplify right side
    15,913.79x = 191,237,373.17
  5. Step 5: Solve for x
    x = 191,237,373.17/15,913.79
  6. Step 6: Final answer
    x = 12,017.09

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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.