Home / 22,435.34-30,959.89-13,003.90

Finding the Fourth Proportional to 22,435.34, 30,959.89 and 13,003.90

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Solution

The fourth proportional to 22,435.34, 30,959.89 and 13,003.90 is: 17,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.34 : 30,959.89 = 13,003.90 : x
  2. Step 2: Convert to fraction form
    22,435.34/30,959.89 = 13,003.90/x
  3. Step 3: Cross multiply
    22,435.34x = 30,959.89 × 13,003.90
  4. Step 4: Simplify right side
    22,435.34x = 402,599,203.66
  5. Step 5: Solve for x
    x = 402,599,203.66/22,435.34
  6. Step 6: Final answer
    x = 17,944.87

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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.