Home / 15,721.49-23,597.73-11,549.79

Finding the Fourth Proportional to 15,721.49, 23,597.73 and 11,549.79

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Solution

The fourth proportional to 15,721.49, 23,597.73 and 11,549.79 is: 17,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.49 : 23,597.73 = 11,549.79 : x
  2. Step 2: Convert to fraction form
    15,721.49/23,597.73 = 11,549.79/x
  3. Step 3: Cross multiply
    15,721.49x = 23,597.73 × 11,549.79
  4. Step 4: Simplify right side
    15,721.49x = 272,548,825.98
  5. Step 5: Solve for x
    x = 272,548,825.98/15,721.49
  6. Step 6: Final answer
    x = 17,336.07

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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.