Home / 26,870.52-37,085.40-19,341.78

Finding the Fourth Proportional to 26,870.52, 37,085.40 and 19,341.78

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Solution

The fourth proportional to 26,870.52, 37,085.40 and 19,341.78 is: 26,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.52 : 37,085.40 = 19,341.78 : x
  2. Step 2: Convert to fraction form
    26,870.52/37,085.40 = 19,341.78/x
  3. Step 3: Cross multiply
    26,870.52x = 37,085.40 × 19,341.78
  4. Step 4: Simplify right side
    26,870.52x = 717,297,648.01
  5. Step 5: Solve for x
    x = 717,297,648.01/26,870.52
  6. Step 6: Final answer
    x = 26,694.59

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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.