Home / 13,463.18-18,576.47-8,154.91

Finding the Fourth Proportional to 13,463.18, 18,576.47 and 8,154.91

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Solution

The fourth proportional to 13,463.18, 18,576.47 and 8,154.91 is: 11,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.18 : 18,576.47 = 8,154.91 : x
  2. Step 2: Convert to fraction form
    13,463.18/18,576.47 = 8,154.91/x
  3. Step 3: Cross multiply
    13,463.18x = 18,576.47 × 8,154.91
  4. Step 4: Simplify right side
    13,463.18x = 151,489,484.58
  5. Step 5: Solve for x
    x = 151,489,484.58/13,463.18
  6. Step 6: Final answer
    x = 11,252.13

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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.