Home / 22,076.02-30,454.68-12,639.52

Finding the Fourth Proportional to 22,076.02, 30,454.68 and 12,639.52

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Solution

The fourth proportional to 22,076.02, 30,454.68 and 12,639.52 is: 17,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,076.02 : 30,454.68 = 12,639.52 : x
  2. Step 2: Convert to fraction form
    22,076.02/30,454.68 = 12,639.52/x
  3. Step 3: Cross multiply
    22,076.02x = 30,454.68 × 12,639.52
  4. Step 4: Simplify right side
    22,076.02x = 384,932,536.95
  5. Step 5: Solve for x
    x = 384,932,536.95/22,076.02
  6. Step 6: Final answer
    x = 17,436.68

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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.