Home / 25,584.32-38,405.28-19,810.56

Finding the Fourth Proportional to 25,584.32, 38,405.28 and 19,810.56

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Solution

The fourth proportional to 25,584.32, 38,405.28 and 19,810.56 is: 29,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.32 : 38,405.28 = 19,810.56 : x
  2. Step 2: Convert to fraction form
    25,584.32/38,405.28 = 19,810.56/x
  3. Step 3: Cross multiply
    25,584.32x = 38,405.28 × 19,810.56
  4. Step 4: Simplify right side
    25,584.32x = 760,830,103.76
  5. Step 5: Solve for x
    x = 760,830,103.76/25,584.32
  6. Step 6: Final answer
    x = 29,738.14

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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.