Home / 25,186.32-37,925.84-18,658.80

Finding the Fourth Proportional to 25,186.32, 37,925.84 and 18,658.80

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Solution

The fourth proportional to 25,186.32, 37,925.84 and 18,658.80 is: 28,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.32 : 37,925.84 = 18,658.80 : x
  2. Step 2: Convert to fraction form
    25,186.32/37,925.84 = 18,658.80/x
  3. Step 3: Cross multiply
    25,186.32x = 37,925.84 × 18,658.80
  4. Step 4: Simplify right side
    25,186.32x = 707,650,663.39
  5. Step 5: Solve for x
    x = 707,650,663.39/25,186.32
  6. Step 6: Final answer
    x = 28,096.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.