Home / 12,944.61-19,400.51-8,263.22

Finding the Fourth Proportional to 12,944.61, 19,400.51 and 8,263.22

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Solution

The fourth proportional to 12,944.61, 19,400.51 and 8,263.22 is: 12,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.61 : 19,400.51 = 8,263.22 : x
  2. Step 2: Convert to fraction form
    12,944.61/19,400.51 = 8,263.22/x
  3. Step 3: Cross multiply
    12,944.61x = 19,400.51 × 8,263.22
  4. Step 4: Simplify right side
    12,944.61x = 160,310,605.90
  5. Step 5: Solve for x
    x = 160,310,605.90/12,944.61
  6. Step 6: Final answer
    x = 12,384.35

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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.