Home / 13,133.61-19,680.17-6,462.45

Finding the Fourth Proportional to 13,133.61, 19,680.17 and 6,462.45

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Solution

The fourth proportional to 13,133.61, 19,680.17 and 6,462.45 is: 9,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.61 : 19,680.17 = 6,462.45 : x
  2. Step 2: Convert to fraction form
    13,133.61/19,680.17 = 6,462.45/x
  3. Step 3: Cross multiply
    13,133.61x = 19,680.17 × 6,462.45
  4. Step 4: Simplify right side
    13,133.61x = 127,182,082.30
  5. Step 5: Solve for x
    x = 127,182,082.30/13,133.61
  6. Step 6: Final answer
    x = 9,683.71

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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.