Home / 18,331.90-27,501.27-8,464.66

Finding the Fourth Proportional to 18,331.90, 27,501.27 and 8,464.66

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Solution

The fourth proportional to 18,331.90, 27,501.27 and 8,464.66 is: 12,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.90 : 27,501.27 = 8,464.66 : x
  2. Step 2: Convert to fraction form
    18,331.90/27,501.27 = 8,464.66/x
  3. Step 3: Cross multiply
    18,331.90x = 27,501.27 × 8,464.66
  4. Step 4: Simplify right side
    18,331.90x = 232,788,900.12
  5. Step 5: Solve for x
    x = 232,788,900.12/18,331.90
  6. Step 6: Final answer
    x = 12,698.57

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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.