Home / 14,707.62-20,282.67-11,345.09

Finding the Fourth Proportional to 14,707.62, 20,282.67 and 11,345.09

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Solution

The fourth proportional to 14,707.62, 20,282.67 and 11,345.09 is: 15,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.62 : 20,282.67 = 11,345.09 : x
  2. Step 2: Convert to fraction form
    14,707.62/20,282.67 = 11,345.09/x
  3. Step 3: Cross multiply
    14,707.62x = 20,282.67 × 11,345.09
  4. Step 4: Simplify right side
    14,707.62x = 230,108,615.18
  5. Step 5: Solve for x
    x = 230,108,615.18/14,707.62
  6. Step 6: Final answer
    x = 15,645.54

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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.