Home / 22,603.32-31,193.36-13,649.04

Finding the Fourth Proportional to 22,603.32, 31,193.36 and 13,649.04

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Solution

The fourth proportional to 22,603.32, 31,193.36 and 13,649.04 is: 18,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.32 : 31,193.36 = 13,649.04 : x
  2. Step 2: Convert to fraction form
    22,603.32/31,193.36 = 13,649.04/x
  3. Step 3: Cross multiply
    22,603.32x = 31,193.36 × 13,649.04
  4. Step 4: Simplify right side
    22,603.32x = 425,759,418.37
  5. Step 5: Solve for x
    x = 425,759,418.37/22,603.32
  6. Step 6: Final answer
    x = 18,836.15

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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.