Home / 13,493.03-20,239.42-7,569.91

Finding the Fourth Proportional to 13,493.03, 20,239.42 and 7,569.91

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Solution

The fourth proportional to 13,493.03, 20,239.42 and 7,569.91 is: 11,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.03 : 20,239.42 = 7,569.91 : x
  2. Step 2: Convert to fraction form
    13,493.03/20,239.42 = 7,569.91/x
  3. Step 3: Cross multiply
    13,493.03x = 20,239.42 × 7,569.91
  4. Step 4: Simplify right side
    13,493.03x = 153,210,587.85
  5. Step 5: Solve for x
    x = 153,210,587.85/13,493.03
  6. Step 6: Final answer
    x = 11,354.79

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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.