Home / 22,176.19-30,603.14-15,114.95

Finding the Fourth Proportional to 22,176.19, 30,603.14 and 15,114.95

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Solution

The fourth proportional to 22,176.19, 30,603.14 and 15,114.95 is: 20,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.19 : 30,603.14 = 15,114.95 : x
  2. Step 2: Convert to fraction form
    22,176.19/30,603.14 = 15,114.95/x
  3. Step 3: Cross multiply
    22,176.19x = 30,603.14 × 15,114.95
  4. Step 4: Simplify right side
    22,176.19x = 462,564,930.94
  5. Step 5: Solve for x
    x = 462,564,930.94/22,176.19
  6. Step 6: Final answer
    x = 20,858.63

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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.