Home / 19,542.77-26,975.15-12,469.18

Finding the Fourth Proportional to 19,542.77, 26,975.15 and 12,469.18

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Solution

The fourth proportional to 19,542.77, 26,975.15 and 12,469.18 is: 17,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.77 : 26,975.15 = 12,469.18 : x
  2. Step 2: Convert to fraction form
    19,542.77/26,975.15 = 12,469.18/x
  3. Step 3: Cross multiply
    19,542.77x = 26,975.15 × 12,469.18
  4. Step 4: Simplify right side
    19,542.77x = 336,358,000.88
  5. Step 5: Solve for x
    x = 336,358,000.88/19,542.77
  6. Step 6: Final answer
    x = 17,211.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.