Home / 14,020.38-19,347.72-7,732.74

Finding the Fourth Proportional to 14,020.38, 19,347.72 and 7,732.74

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Solution

The fourth proportional to 14,020.38, 19,347.72 and 7,732.74 is: 10,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.38 : 19,347.72 = 7,732.74 : x
  2. Step 2: Convert to fraction form
    14,020.38/19,347.72 = 7,732.74/x
  3. Step 3: Cross multiply
    14,020.38x = 19,347.72 × 7,732.74
  4. Step 4: Simplify right side
    14,020.38x = 149,610,888.35
  5. Step 5: Solve for x
    x = 149,610,888.35/14,020.38
  6. Step 6: Final answer
    x = 10,670.96

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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.