Home / 12,376.74-18,543.48-10,310.04

Finding the Fourth Proportional to 12,376.74, 18,543.48 and 10,310.04

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Solution

The fourth proportional to 12,376.74, 18,543.48 and 10,310.04 is: 15,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.74 : 18,543.48 = 10,310.04 : x
  2. Step 2: Convert to fraction form
    12,376.74/18,543.48 = 10,310.04/x
  3. Step 3: Cross multiply
    12,376.74x = 18,543.48 × 10,310.04
  4. Step 4: Simplify right side
    12,376.74x = 191,184,020.54
  5. Step 5: Solve for x
    x = 191,184,020.54/12,376.74
  6. Step 6: Final answer
    x = 15,447.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.