Home / 19,057.06-26,310.99-15,528.70

Finding the Fourth Proportional to 19,057.06, 26,310.99 and 15,528.70

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Solution

The fourth proportional to 19,057.06, 26,310.99 and 15,528.70 is: 21,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.06 : 26,310.99 = 15,528.70 : x
  2. Step 2: Convert to fraction form
    19,057.06/26,310.99 = 15,528.70/x
  3. Step 3: Cross multiply
    19,057.06x = 26,310.99 × 15,528.70
  4. Step 4: Simplify right side
    19,057.06x = 408,575,470.41
  5. Step 5: Solve for x
    x = 408,575,470.41/19,057.06
  6. Step 6: Final answer
    x = 21,439.59

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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.