Home / 22,292.98-30,764.63-13,340.86

Finding the Fourth Proportional to 22,292.98, 30,764.63 and 13,340.86

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Solution

The fourth proportional to 22,292.98, 30,764.63 and 13,340.86 is: 18,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.98 : 30,764.63 = 13,340.86 : x
  2. Step 2: Convert to fraction form
    22,292.98/30,764.63 = 13,340.86/x
  3. Step 3: Cross multiply
    22,292.98x = 30,764.63 × 13,340.86
  4. Step 4: Simplify right side
    22,292.98x = 410,426,621.78
  5. Step 5: Solve for x
    x = 410,426,621.78/22,292.98
  6. Step 6: Final answer
    x = 18,410.58

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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.