Home / 22,314.94-30,795.52-13,360.66

Finding the Fourth Proportional to 22,314.94, 30,795.52 and 13,360.66

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Solution

The fourth proportional to 22,314.94, 30,795.52 and 13,360.66 is: 18,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314.94 : 30,795.52 = 13,360.66 : x
  2. Step 2: Convert to fraction form
    22,314.94/30,795.52 = 13,360.66/x
  3. Step 3: Cross multiply
    22,314.94x = 30,795.52 × 13,360.66
  4. Step 4: Simplify right side
    22,314.94x = 411,448,472.24
  5. Step 5: Solve for x
    x = 411,448,472.24/22,314.94
  6. Step 6: Final answer
    x = 18,438.25

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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.