Home / 22,488.35-33,734.30-13,129.31

Finding the Fourth Proportional to 22,488.35, 33,734.30 and 13,129.31

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Solution

The fourth proportional to 22,488.35, 33,734.30 and 13,129.31 is: 19,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.35 : 33,734.30 = 13,129.31 : x
  2. Step 2: Convert to fraction form
    22,488.35/33,734.30 = 13,129.31/x
  3. Step 3: Cross multiply
    22,488.35x = 33,734.30 × 13,129.31
  4. Step 4: Simplify right side
    22,488.35x = 442,907,848.01
  5. Step 5: Solve for x
    x = 442,907,848.01/22,488.35
  6. Step 6: Final answer
    x = 19,695.00

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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.