Home / 22,160.54-30,583.37-12,603.42

Finding the Fourth Proportional to 22,160.54, 30,583.37 and 12,603.42

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Solution

The fourth proportional to 22,160.54, 30,583.37 and 12,603.42 is: 17,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.54 : 30,583.37 = 12,603.42 : x
  2. Step 2: Convert to fraction form
    22,160.54/30,583.37 = 12,603.42/x
  3. Step 3: Cross multiply
    22,160.54x = 30,583.37 × 12,603.42
  4. Step 4: Simplify right side
    22,160.54x = 385,455,088.63
  5. Step 5: Solve for x
    x = 385,455,088.63/22,160.54
  6. Step 6: Final answer
    x = 17,393.76

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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.