Home / 15,998.48-22,071.84-9,708.56

Finding the Fourth Proportional to 15,998.48, 22,071.84 and 9,708.56

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Solution

The fourth proportional to 15,998.48, 22,071.84 and 9,708.56 is: 13,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.48 : 22,071.84 = 9,708.56 : x
  2. Step 2: Convert to fraction form
    15,998.48/22,071.84 = 9,708.56/x
  3. Step 3: Cross multiply
    15,998.48x = 22,071.84 × 9,708.56
  4. Step 4: Simplify right side
    15,998.48x = 214,285,782.95
  5. Step 5: Solve for x
    x = 214,285,782.95/15,998.48
  6. Step 6: Final answer
    x = 13,394.13

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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.