Home / 25,568.19-38,357.78-12,752.34

Finding the Fourth Proportional to 25,568.19, 38,357.78 and 12,752.34

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Solution

The fourth proportional to 25,568.19, 38,357.78 and 12,752.34 is: 19,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.19 : 38,357.78 = 12,752.34 : x
  2. Step 2: Convert to fraction form
    25,568.19/38,357.78 = 12,752.34/x
  3. Step 3: Cross multiply
    25,568.19x = 38,357.78 × 12,752.34
  4. Step 4: Simplify right side
    25,568.19x = 489,151,388.44
  5. Step 5: Solve for x
    x = 489,151,388.44/25,568.19
  6. Step 6: Final answer
    x = 19,131.25

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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.