Home / 17,378.72-26,047.56-6,279.56

Finding the Fourth Proportional to 17,378.72, 26,047.56 and 6,279.56

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Solution

The fourth proportional to 17,378.72, 26,047.56 and 6,279.56 is: 9,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.72 : 26,047.56 = 6,279.56 : x
  2. Step 2: Convert to fraction form
    17,378.72/26,047.56 = 6,279.56/x
  3. Step 3: Cross multiply
    17,378.72x = 26,047.56 × 6,279.56
  4. Step 4: Simplify right side
    17,378.72x = 163,567,215.87
  5. Step 5: Solve for x
    x = 163,567,215.87/17,378.72
  6. Step 6: Final answer
    x = 9,411.93

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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.