Home / 30,086.64-41,519.89-16,658.13

Finding the Fourth Proportional to 30,086.64, 41,519.89 and 16,658.13

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Solution

The fourth proportional to 30,086.64, 41,519.89 and 16,658.13 is: 22,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.64 : 41,519.89 = 16,658.13 : x
  2. Step 2: Convert to fraction form
    30,086.64/41,519.89 = 16,658.13/x
  3. Step 3: Cross multiply
    30,086.64x = 41,519.89 × 16,658.13
  4. Step 4: Simplify right side
    30,086.64x = 691,643,784.95
  5. Step 5: Solve for x
    x = 691,643,784.95/30,086.64
  6. Step 6: Final answer
    x = 22,988.40

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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.