Home / 13,354.13-18,436.20-8,884.01

Finding the Fourth Proportional to 13,354.13, 18,436.20 and 8,884.01

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Solution

The fourth proportional to 13,354.13, 18,436.20 and 8,884.01 is: 12,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.13 : 18,436.20 = 8,884.01 : x
  2. Step 2: Convert to fraction form
    13,354.13/18,436.20 = 8,884.01/x
  3. Step 3: Cross multiply
    13,354.13x = 18,436.20 × 8,884.01
  4. Step 4: Simplify right side
    13,354.13x = 163,787,385.16
  5. Step 5: Solve for x
    x = 163,787,385.16/13,354.13
  6. Step 6: Final answer
    x = 12,264.92

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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.