Home / 13,061.64-18,025.60-7,396.66

Finding the Fourth Proportional to 13,061.64, 18,025.60 and 7,396.66

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Solution

The fourth proportional to 13,061.64, 18,025.60 and 7,396.66 is: 10,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.64 : 18,025.60 = 7,396.66 : x
  2. Step 2: Convert to fraction form
    13,061.64/18,025.60 = 7,396.66/x
  3. Step 3: Cross multiply
    13,061.64x = 18,025.60 × 7,396.66
  4. Step 4: Simplify right side
    13,061.64x = 133,329,234.50
  5. Step 5: Solve for x
    x = 133,329,234.50/13,061.64
  6. Step 6: Final answer
    x = 10,207.69

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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.