Home / 25,674.55-35,416.10-15,458.48

Finding the Fourth Proportional to 25,674.55, 35,416.10 and 15,458.48

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Solution

The fourth proportional to 25,674.55, 35,416.10 and 15,458.48 is: 21,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.55 : 35,416.10 = 15,458.48 : x
  2. Step 2: Convert to fraction form
    25,674.55/35,416.10 = 15,458.48/x
  3. Step 3: Cross multiply
    25,674.55x = 35,416.10 × 15,458.48
  4. Step 4: Simplify right side
    25,674.55x = 547,479,073.53
  5. Step 5: Solve for x
    x = 547,479,073.53/25,674.55
  6. Step 6: Final answer
    x = 21,323.80

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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.