Home / 25,756.57-38,533.20-19,534.15

Finding the Fourth Proportional to 25,756.57, 38,533.20 and 19,534.15

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Solution

The fourth proportional to 25,756.57, 38,533.20 and 19,534.15 is: 29,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.57 : 38,533.20 = 19,534.15 : x
  2. Step 2: Convert to fraction form
    25,756.57/38,533.20 = 19,534.15/x
  3. Step 3: Cross multiply
    25,756.57x = 38,533.20 × 19,534.15
  4. Step 4: Simplify right side
    25,756.57x = 752,713,308.78
  5. Step 5: Solve for x
    x = 752,713,308.78/25,756.57
  6. Step 6: Final answer
    x = 29,224.13

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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.