Home / 13,354.13-20,013.66-9,827.62

Finding the Fourth Proportional to 13,354.13, 20,013.66 and 9,827.62

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Solution

The fourth proportional to 13,354.13, 20,013.66 and 9,827.62 is: 14,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.13 : 20,013.66 = 9,827.62 : x
  2. Step 2: Convert to fraction form
    13,354.13/20,013.66 = 9,827.62/x
  3. Step 3: Cross multiply
    13,354.13x = 20,013.66 × 9,827.62
  4. Step 4: Simplify right side
    13,354.13x = 196,686,645.29
  5. Step 5: Solve for x
    x = 196,686,645.29/13,354.13
  6. Step 6: Final answer
    x = 14,728.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.