Home / 13,358.30-18,428.66-8,050.10

Finding the Fourth Proportional to 13,358.30, 18,428.66 and 8,050.10

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Solution

The fourth proportional to 13,358.30, 18,428.66 and 8,050.10 is: 11,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.30 : 18,428.66 = 8,050.10 : x
  2. Step 2: Convert to fraction form
    13,358.30/18,428.66 = 8,050.10/x
  3. Step 3: Cross multiply
    13,358.30x = 18,428.66 × 8,050.10
  4. Step 4: Simplify right side
    13,358.30x = 148,352,555.87
  5. Step 5: Solve for x
    x = 148,352,555.87/13,358.30
  6. Step 6: Final answer
    x = 11,105.65

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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.