Home / 13,541.04-18,691.80-8,826.48

Finding the Fourth Proportional to 13,541.04, 18,691.80 and 8,826.48

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Solution

The fourth proportional to 13,541.04, 18,691.80 and 8,826.48 is: 12,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.04 : 18,691.80 = 8,826.48 : x
  2. Step 2: Convert to fraction form
    13,541.04/18,691.80 = 8,826.48/x
  3. Step 3: Cross multiply
    13,541.04x = 18,691.80 × 8,826.48
  4. Step 4: Simplify right side
    13,541.04x = 164,982,798.86
  5. Step 5: Solve for x
    x = 164,982,798.86/13,541.04
  6. Step 6: Final answer
    x = 12,183.91

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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.