Home / 13,979.16-20,938.50-6,572.52

Finding the Fourth Proportional to 13,979.16, 20,938.50 and 6,572.52

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Solution

The fourth proportional to 13,979.16, 20,938.50 and 6,572.52 is: 9,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.16 : 20,938.50 = 6,572.52 : x
  2. Step 2: Convert to fraction form
    13,979.16/20,938.50 = 6,572.52/x
  3. Step 3: Cross multiply
    13,979.16x = 20,938.50 × 6,572.52
  4. Step 4: Simplify right side
    13,979.16x = 137,618,710.02
  5. Step 5: Solve for x
    x = 137,618,710.02/13,979.16
  6. Step 6: Final answer
    x = 9,844.56

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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.