Home / 13,766.92-19,001.40-8,466.28

Finding the Fourth Proportional to 13,766.92, 19,001.40 and 8,466.28

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Solution

The fourth proportional to 13,766.92, 19,001.40 and 8,466.28 is: 11,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.92 : 19,001.40 = 8,466.28 : x
  2. Step 2: Convert to fraction form
    13,766.92/19,001.40 = 8,466.28/x
  3. Step 3: Cross multiply
    13,766.92x = 19,001.40 × 8,466.28
  4. Step 4: Simplify right side
    13,766.92x = 160,871,172.79
  5. Step 5: Solve for x
    x = 160,871,172.79/13,766.92
  6. Step 6: Final answer
    x = 11,685.34

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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.