Home / 25,134.21-34,686.26-15,060.75

Finding the Fourth Proportional to 25,134.21, 34,686.26 and 15,060.75

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Solution

The fourth proportional to 25,134.21, 34,686.26 and 15,060.75 is: 20,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.21 : 34,686.26 = 15,060.75 : x
  2. Step 2: Convert to fraction form
    25,134.21/34,686.26 = 15,060.75/x
  3. Step 3: Cross multiply
    25,134.21x = 34,686.26 × 15,060.75
  4. Step 4: Simplify right side
    25,134.21x = 522,400,941.40
  5. Step 5: Solve for x
    x = 522,400,941.40/25,134.21
  6. Step 6: Final answer
    x = 20,784.46

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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.