Home / 13,456.17-18,568.17-8,150.67

Finding the Fourth Proportional to 13,456.17, 18,568.17 and 8,150.67

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Solution

The fourth proportional to 13,456.17, 18,568.17 and 8,150.67 is: 11,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.17 : 18,568.17 = 8,150.67 : x
  2. Step 2: Convert to fraction form
    13,456.17/18,568.17 = 8,150.67/x
  3. Step 3: Cross multiply
    13,456.17x = 18,568.17 × 8,150.67
  4. Step 4: Simplify right side
    13,456.17x = 151,343,026.17
  5. Step 5: Solve for x
    x = 151,343,026.17/13,456.17
  6. Step 6: Final answer
    x = 11,247.11

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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.