Home / 22,223.20-30,671.76-13,277.56

Finding the Fourth Proportional to 22,223.20, 30,671.76 and 13,277.56

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Solution

The fourth proportional to 22,223.20, 30,671.76 and 13,277.56 is: 18,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.20 : 30,671.76 = 13,277.56 : x
  2. Step 2: Convert to fraction form
    22,223.20/30,671.76 = 13,277.56/x
  3. Step 3: Cross multiply
    22,223.20x = 30,671.76 × 13,277.56
  4. Step 4: Simplify right side
    22,223.20x = 407,246,133.71
  5. Step 5: Solve for x
    x = 407,246,133.71/22,223.20
  6. Step 6: Final answer
    x = 18,325.27

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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.