Home / 19,170.45-26,454.49-10,672.91

Finding the Fourth Proportional to 19,170.45, 26,454.49 and 10,672.91

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Solution

The fourth proportional to 19,170.45, 26,454.49 and 10,672.91 is: 14,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.45 : 26,454.49 = 10,672.91 : x
  2. Step 2: Convert to fraction form
    19,170.45/26,454.49 = 10,672.91/x
  3. Step 3: Cross multiply
    19,170.45x = 26,454.49 × 10,672.91
  4. Step 4: Simplify right side
    19,170.45x = 282,346,231.91
  5. Step 5: Solve for x
    x = 282,346,231.91/19,170.45
  6. Step 6: Final answer
    x = 14,728.20

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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.