Home / 25,465.61-35,144.21-14,135.15

Finding the Fourth Proportional to 25,465.61, 35,144.21 and 14,135.15

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Solution

The fourth proportional to 25,465.61, 35,144.21 and 14,135.15 is: 19,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.61 : 35,144.21 = 14,135.15 : x
  2. Step 2: Convert to fraction form
    25,465.61/35,144.21 = 14,135.15/x
  3. Step 3: Cross multiply
    25,465.61x = 35,144.21 × 14,135.15
  4. Step 4: Simplify right side
    25,465.61x = 496,768,679.98
  5. Step 5: Solve for x
    x = 496,768,679.98/25,465.61
  6. Step 6: Final answer
    x = 19,507.43

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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.