Home / 26,784.47-36,945.42-17,221.11

Finding the Fourth Proportional to 26,784.47, 36,945.42 and 17,221.11

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Solution

The fourth proportional to 26,784.47, 36,945.42 and 17,221.11 is: 23,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,784.47 : 36,945.42 = 17,221.11 : x
  2. Step 2: Convert to fraction form
    26,784.47/36,945.42 = 17,221.11/x
  3. Step 3: Cross multiply
    26,784.47x = 36,945.42 × 17,221.11
  4. Step 4: Simplify right side
    26,784.47x = 636,240,938.69
  5. Step 5: Solve for x
    x = 636,240,938.69/26,784.47
  6. Step 6: Final answer
    x = 23,754.10

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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.