Home / 25,782.57-35,573.31-15,170.22

Finding the Fourth Proportional to 25,782.57, 35,573.31 and 15,170.22

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Solution

The fourth proportional to 25,782.57, 35,573.31 and 15,170.22 is: 20,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782.57 : 35,573.31 = 15,170.22 : x
  2. Step 2: Convert to fraction form
    25,782.57/35,573.31 = 15,170.22/x
  3. Step 3: Cross multiply
    25,782.57x = 35,573.31 × 15,170.22
  4. Step 4: Simplify right side
    25,782.57x = 539,654,938.83
  5. Step 5: Solve for x
    x = 539,654,938.83/25,782.57
  6. Step 6: Final answer
    x = 20,931.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.