Home / 33,012.12-45,559.14-18,864.66

Finding the Fourth Proportional to 33,012.12, 45,559.14 and 18,864.66

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Solution

The fourth proportional to 33,012.12, 45,559.14 and 18,864.66 is: 26,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.12 : 45,559.14 = 18,864.66 : x
  2. Step 2: Convert to fraction form
    33,012.12/45,559.14 = 18,864.66/x
  3. Step 3: Cross multiply
    33,012.12x = 45,559.14 × 18,864.66
  4. Step 4: Simplify right side
    33,012.12x = 859,457,685.99
  5. Step 5: Solve for x
    x = 859,457,685.99/33,012.12
  6. Step 6: Final answer
    x = 26,034.61

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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.