Home / 17,591.40-26,364.54-7,190.76

Finding the Fourth Proportional to 17,591.40, 26,364.54 and 7,190.76

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Solution

The fourth proportional to 17,591.40, 26,364.54 and 7,190.76 is: 10,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,591.40 : 26,364.54 = 7,190.76 : x
  2. Step 2: Convert to fraction form
    17,591.40/26,364.54 = 7,190.76/x
  3. Step 3: Cross multiply
    17,591.40x = 26,364.54 × 7,190.76
  4. Step 4: Simplify right side
    17,591.40x = 189,581,079.65
  5. Step 5: Solve for x
    x = 189,581,079.65/17,591.40
  6. Step 6: Final answer
    x = 10,776.92

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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.