Home / 22,290.56-30,751.08-14,329.76

Finding the Fourth Proportional to 22,290.56, 30,751.08 and 14,329.76

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Solution

The fourth proportional to 22,290.56, 30,751.08 and 14,329.76 is: 19,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.56 : 30,751.08 = 14,329.76 : x
  2. Step 2: Convert to fraction form
    22,290.56/30,751.08 = 14,329.76/x
  3. Step 3: Cross multiply
    22,290.56x = 30,751.08 × 14,329.76
  4. Step 4: Simplify right side
    22,290.56x = 440,655,596.14
  5. Step 5: Solve for x
    x = 440,655,596.14/22,290.56
  6. Step 6: Final answer
    x = 19,768.71

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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.