Home / 30,860.57-46,255.83-14,186.15

Finding the Fourth Proportional to 30,860.57, 46,255.83 and 14,186.15

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Solution

The fourth proportional to 30,860.57, 46,255.83 and 14,186.15 is: 21,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.57 : 46,255.83 = 14,186.15 : x
  2. Step 2: Convert to fraction form
    30,860.57/46,255.83 = 14,186.15/x
  3. Step 3: Cross multiply
    30,860.57x = 46,255.83 × 14,186.15
  4. Step 4: Simplify right side
    30,860.57x = 656,191,911.48
  5. Step 5: Solve for x
    x = 656,191,911.48/30,860.57
  6. Step 6: Final answer
    x = 21,263.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.