Home / 25,147.54-34,705.68-16,213.65

Finding the Fourth Proportional to 25,147.54, 34,705.68 and 16,213.65

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Solution

The fourth proportional to 25,147.54, 34,705.68 and 16,213.65 is: 22,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.54 : 34,705.68 = 16,213.65 : x
  2. Step 2: Convert to fraction form
    25,147.54/34,705.68 = 16,213.65/x
  3. Step 3: Cross multiply
    25,147.54x = 34,705.68 × 16,213.65
  4. Step 4: Simplify right side
    25,147.54x = 562,705,748.53
  5. Step 5: Solve for x
    x = 562,705,748.53/25,147.54
  6. Step 6: Final answer
    x = 22,376.17

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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.