Home / 13,517.42-18,652.28-8,808.08

Finding the Fourth Proportional to 13,517.42, 18,652.28 and 8,808.08

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Solution

The fourth proportional to 13,517.42, 18,652.28 and 8,808.08 is: 12,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.42 : 18,652.28 = 8,808.08 : x
  2. Step 2: Convert to fraction form
    13,517.42/18,652.28 = 8,808.08/x
  3. Step 3: Cross multiply
    13,517.42x = 18,652.28 × 8,808.08
  4. Step 4: Simplify right side
    13,517.42x = 164,290,774.42
  5. Step 5: Solve for x
    x = 164,290,774.42/13,517.42
  6. Step 6: Final answer
    x = 12,154.00

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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.