Home / 25,959.51-38,953.71-19,758.15

Finding the Fourth Proportional to 25,959.51, 38,953.71 and 19,758.15

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Solution

The fourth proportional to 25,959.51, 38,953.71 and 19,758.15 is: 29,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,959.51 : 38,953.71 = 19,758.15 : x
  2. Step 2: Convert to fraction form
    25,959.51/38,953.71 = 19,758.15/x
  3. Step 3: Cross multiply
    25,959.51x = 38,953.71 × 19,758.15
  4. Step 4: Simplify right side
    25,959.51x = 769,653,245.24
  5. Step 5: Solve for x
    x = 769,653,245.24/25,959.51
  6. Step 6: Final answer
    x = 29,648.22

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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.