Home / 22,033.78-30,406.64-12,602.34

Finding the Fourth Proportional to 22,033.78, 30,406.64 and 12,602.34

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Solution

The fourth proportional to 22,033.78, 30,406.64 and 12,602.34 is: 17,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.78 : 30,406.64 = 12,602.34 : x
  2. Step 2: Convert to fraction form
    22,033.78/30,406.64 = 12,602.34/x
  3. Step 3: Cross multiply
    22,033.78x = 30,406.64 × 12,602.34
  4. Step 4: Simplify right side
    22,033.78x = 383,194,752.53
  5. Step 5: Solve for x
    x = 383,194,752.53/22,033.78
  6. Step 6: Final answer
    x = 17,391.24

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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.