Home / 12,550.84-18,826.38-10,208.12

Finding the Fourth Proportional to 12,550.84, 18,826.38 and 10,208.12

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Solution

The fourth proportional to 12,550.84, 18,826.38 and 10,208.12 is: 15,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.84 : 18,826.38 = 10,208.12 : x
  2. Step 2: Convert to fraction form
    12,550.84/18,826.38 = 10,208.12/x
  3. Step 3: Cross multiply
    12,550.84x = 18,826.38 × 10,208.12
  4. Step 4: Simplify right side
    12,550.84x = 192,181,946.21
  5. Step 5: Solve for x
    x = 192,181,946.21/12,550.84
  6. Step 6: Final answer
    x = 15,312.28

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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.