Home / 13,132.46-18,116.54-8,885.01

Finding the Fourth Proportional to 13,132.46, 18,116.54 and 8,885.01

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Solution

The fourth proportional to 13,132.46, 18,116.54 and 8,885.01 is: 12,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.46 : 18,116.54 = 8,885.01 : x
  2. Step 2: Convert to fraction form
    13,132.46/18,116.54 = 8,885.01/x
  3. Step 3: Cross multiply
    13,132.46x = 18,116.54 × 8,885.01
  4. Step 4: Simplify right side
    13,132.46x = 160,965,594.64
  5. Step 5: Solve for x
    x = 160,965,594.64/13,132.46
  6. Step 6: Final answer
    x = 12,257.08

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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.