Home / 19,047.20-26,279.04-12,337.97

Finding the Fourth Proportional to 19,047.20, 26,279.04 and 12,337.97

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Solution

The fourth proportional to 19,047.20, 26,279.04 and 12,337.97 is: 17,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.20 : 26,279.04 = 12,337.97 : x
  2. Step 2: Convert to fraction form
    19,047.20/26,279.04 = 12,337.97/x
  3. Step 3: Cross multiply
    19,047.20x = 26,279.04 × 12,337.97
  4. Step 4: Simplify right side
    19,047.20x = 324,229,875.75
  5. Step 5: Solve for x
    x = 324,229,875.75/19,047.20
  6. Step 6: Final answer
    x = 17,022.45

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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.