Home / 15,748.83-21,734.33-9,036.36

Finding the Fourth Proportional to 15,748.83, 21,734.33 and 9,036.36

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Solution

The fourth proportional to 15,748.83, 21,734.33 and 9,036.36 is: 12,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.83 : 21,734.33 = 9,036.36 : x
  2. Step 2: Convert to fraction form
    15,748.83/21,734.33 = 9,036.36/x
  3. Step 3: Cross multiply
    15,748.83x = 21,734.33 × 9,036.36
  4. Step 4: Simplify right side
    15,748.83x = 196,399,185.06
  5. Step 5: Solve for x
    x = 196,399,185.06/15,748.83
  6. Step 6: Final answer
    x = 12,470.72

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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.