Home / 23,319.76-34,979.36-13,962.38

Finding the Fourth Proportional to 23,319.76, 34,979.36 and 13,962.38

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Solution

The fourth proportional to 23,319.76, 34,979.36 and 13,962.38 is: 20,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.76 : 34,979.36 = 13,962.38 : x
  2. Step 2: Convert to fraction form
    23,319.76/34,979.36 = 13,962.38/x
  3. Step 3: Cross multiply
    23,319.76x = 34,979.36 × 13,962.38
  4. Step 4: Simplify right side
    23,319.76x = 488,395,116.48
  5. Step 5: Solve for x
    x = 488,395,116.48/23,319.76
  6. Step 6: Final answer
    x = 20,943.40

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1.5x scale

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.