Home / 20,035.35-27,646.72-11,535.82

Finding the Fourth Proportional to 20,035.35, 27,646.72 and 11,535.82

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Solution

The fourth proportional to 20,035.35, 27,646.72 and 11,535.82 is: 15,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.35 : 27,646.72 = 11,535.82 : x
  2. Step 2: Convert to fraction form
    20,035.35/27,646.72 = 11,535.82/x
  3. Step 3: Cross multiply
    20,035.35x = 27,646.72 × 11,535.82
  4. Step 4: Simplify right side
    20,035.35x = 318,927,487.55
  5. Step 5: Solve for x
    x = 318,927,487.55/20,035.35
  6. Step 6: Final answer
    x = 15,918.24

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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.