Home / 26,355.06-36,370.49-15,744.69

Finding the Fourth Proportional to 26,355.06, 36,370.49 and 15,744.69

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Solution

The fourth proportional to 26,355.06, 36,370.49 and 15,744.69 is: 21,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.06 : 36,370.49 = 15,744.69 : x
  2. Step 2: Convert to fraction form
    26,355.06/36,370.49 = 15,744.69/x
  3. Step 3: Cross multiply
    26,355.06x = 36,370.49 × 15,744.69
  4. Step 4: Simplify right side
    26,355.06x = 572,642,195.47
  5. Step 5: Solve for x
    x = 572,642,195.47/26,355.06
  6. Step 6: Final answer
    x = 21,727.98

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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.