Home / 15,922.80-21,991.95-10,608.39

Finding the Fourth Proportional to 15,922.80, 21,991.95 and 10,608.39

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Solution

The fourth proportional to 15,922.80, 21,991.95 and 10,608.39 is: 14,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.80 : 21,991.95 = 10,608.39 : x
  2. Step 2: Convert to fraction form
    15,922.80/21,991.95 = 10,608.39/x
  3. Step 3: Cross multiply
    15,922.80x = 21,991.95 × 10,608.39
  4. Step 4: Simplify right side
    15,922.80x = 233,299,182.46
  5. Step 5: Solve for x
    x = 233,299,182.46/15,922.80
  6. Step 6: Final answer
    x = 14,651.89

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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.