Home / 14,306.38-19,743.88-9,005.74

Finding the Fourth Proportional to 14,306.38, 19,743.88 and 9,005.74

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Solution

The fourth proportional to 14,306.38, 19,743.88 and 9,005.74 is: 12,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.38 : 19,743.88 = 9,005.74 : x
  2. Step 2: Convert to fraction form
    14,306.38/19,743.88 = 9,005.74/x
  3. Step 3: Cross multiply
    14,306.38x = 19,743.88 × 9,005.74
  4. Step 4: Simplify right side
    14,306.38x = 177,808,249.87
  5. Step 5: Solve for x
    x = 177,808,249.87/14,306.38
  6. Step 6: Final answer
    x = 12,428.60

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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.