Home / 30,002.69-41,397.95-18,066.80

Finding the Fourth Proportional to 30,002.69, 41,397.95 and 18,066.80

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Solution

The fourth proportional to 30,002.69, 41,397.95 and 18,066.80 is: 24,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.69 : 41,397.95 = 18,066.80 : x
  2. Step 2: Convert to fraction form
    30,002.69/41,397.95 = 18,066.80/x
  3. Step 3: Cross multiply
    30,002.69x = 41,397.95 × 18,066.80
  4. Step 4: Simplify right side
    30,002.69x = 747,928,185.74
  5. Step 5: Solve for x
    x = 747,928,185.74/30,002.69
  6. Step 6: Final answer
    x = 24,928.71

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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.