Home / 13,948.92-19,257.96-9,176.40

Finding the Fourth Proportional to 13,948.92, 19,257.96 and 9,176.40

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Solution

The fourth proportional to 13,948.92, 19,257.96 and 9,176.40 is: 12,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.92 : 19,257.96 = 9,176.40 : x
  2. Step 2: Convert to fraction form
    13,948.92/19,257.96 = 9,176.40/x
  3. Step 3: Cross multiply
    13,948.92x = 19,257.96 × 9,176.40
  4. Step 4: Simplify right side
    13,948.92x = 176,718,744.14
  5. Step 5: Solve for x
    x = 176,718,744.14/13,948.92
  6. Step 6: Final answer
    x = 12,668.99

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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.