Home / 25,228.74-37,974.66-21,423.36

Finding the Fourth Proportional to 25,228.74, 37,974.66 and 21,423.36

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Solution

The fourth proportional to 25,228.74, 37,974.66 and 21,423.36 is: 32,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.74 : 37,974.66 = 21,423.36 : x
  2. Step 2: Convert to fraction form
    25,228.74/37,974.66 = 21,423.36/x
  3. Step 3: Cross multiply
    25,228.74x = 37,974.66 × 21,423.36
  4. Step 4: Simplify right side
    25,228.74x = 813,544,812.06
  5. Step 5: Solve for x
    x = 813,544,812.06/25,228.74
  6. Step 6: Final answer
    x = 32,246.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.