Home / 15,362.61-21,193.97-9,392.37

Finding the Fourth Proportional to 15,362.61, 21,193.97 and 9,392.37

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Solution

The fourth proportional to 15,362.61, 21,193.97 and 9,392.37 is: 12,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.61 : 21,193.97 = 9,392.37 : x
  2. Step 2: Convert to fraction form
    15,362.61/21,193.97 = 9,392.37/x
  3. Step 3: Cross multiply
    15,362.61x = 21,193.97 × 9,392.37
  4. Step 4: Simplify right side
    15,362.61x = 199,061,561.05
  5. Step 5: Solve for x
    x = 199,061,561.05/15,362.61
  6. Step 6: Final answer
    x = 12,957.54

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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.