Home / 13,066.15-18,024.37-8,277.65

Finding the Fourth Proportional to 13,066.15, 18,024.37 and 8,277.65

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Solution

The fourth proportional to 13,066.15, 18,024.37 and 8,277.65 is: 11,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.15 : 18,024.37 = 8,277.65 : x
  2. Step 2: Convert to fraction form
    13,066.15/18,024.37 = 8,277.65/x
  3. Step 3: Cross multiply
    13,066.15x = 18,024.37 × 8,277.65
  4. Step 4: Simplify right side
    13,066.15x = 149,199,426.33
  5. Step 5: Solve for x
    x = 149,199,426.33/13,066.15
  6. Step 6: Final answer
    x = 11,418.77

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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.