Home / 26,645.52-36,768.82-15,315.02

Finding the Fourth Proportional to 26,645.52, 36,768.82 and 15,315.02

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Solution

The fourth proportional to 26,645.52, 36,768.82 and 15,315.02 is: 21,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.52 : 36,768.82 = 15,315.02 : x
  2. Step 2: Convert to fraction form
    26,645.52/36,768.82 = 15,315.02/x
  3. Step 3: Cross multiply
    26,645.52x = 36,768.82 × 15,315.02
  4. Step 4: Simplify right side
    26,645.52x = 563,115,213.68
  5. Step 5: Solve for x
    x = 563,115,213.68/26,645.52
  6. Step 6: Final answer
    x = 21,133.58

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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.