Home / 22,612.08-33,868.80-13,820.34

Finding the Fourth Proportional to 22,612.08, 33,868.80 and 13,820.34

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Solution

The fourth proportional to 22,612.08, 33,868.80 and 13,820.34 is: 20,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.08 : 33,868.80 = 13,820.34 : x
  2. Step 2: Convert to fraction form
    22,612.08/33,868.80 = 13,820.34/x
  3. Step 3: Cross multiply
    22,612.08x = 33,868.80 × 13,820.34
  4. Step 4: Simplify right side
    22,612.08x = 468,078,331.39
  5. Step 5: Solve for x
    x = 468,078,331.39/22,612.08
  6. Step 6: Final answer
    x = 20,700.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.