Home / 15,991.41-23,981.36-6,758.13

Finding the Fourth Proportional to 15,991.41, 23,981.36 and 6,758.13

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Solution

The fourth proportional to 15,991.41, 23,981.36 and 6,758.13 is: 10,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.41 : 23,981.36 = 6,758.13 : x
  2. Step 2: Convert to fraction form
    15,991.41/23,981.36 = 6,758.13/x
  3. Step 3: Cross multiply
    15,991.41x = 23,981.36 × 6,758.13
  4. Step 4: Simplify right side
    15,991.41x = 162,069,114.67
  5. Step 5: Solve for x
    x = 162,069,114.67/15,991.41
  6. Step 6: Final answer
    x = 10,134.76

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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.