Home / 15,854.45-23,784.41-5,325.48

Finding the Fourth Proportional to 15,854.45, 23,784.41 and 5,325.48

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Solution

The fourth proportional to 15,854.45, 23,784.41 and 5,325.48 is: 7,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.45 : 23,784.41 = 5,325.48 : x
  2. Step 2: Convert to fraction form
    15,854.45/23,784.41 = 5,325.48/x
  3. Step 3: Cross multiply
    15,854.45x = 23,784.41 × 5,325.48
  4. Step 4: Simplify right side
    15,854.45x = 126,663,373.14
  5. Step 5: Solve for x
    x = 126,663,373.14/15,854.45
  6. Step 6: Final answer
    x = 7,989.14

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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.