Home / 13,462.02-18,580.14-8,916.66

Finding the Fourth Proportional to 13,462.02, 18,580.14 and 8,916.66

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Solution

The fourth proportional to 13,462.02, 18,580.14 and 8,916.66 is: 12,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.02 : 18,580.14 = 8,916.66 : x
  2. Step 2: Convert to fraction form
    13,462.02/18,580.14 = 8,916.66/x
  3. Step 3: Cross multiply
    13,462.02x = 18,580.14 × 8,916.66
  4. Step 4: Simplify right side
    13,462.02x = 165,672,791.13
  5. Step 5: Solve for x
    x = 165,672,791.13/13,462.02
  6. Step 6: Final answer
    x = 12,306.68

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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.