Home / 17,995.79-24,821.33-15,601.49

Finding the Fourth Proportional to 17,995.79, 24,821.33 and 15,601.49

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Solution

The fourth proportional to 17,995.79, 24,821.33 and 15,601.49 is: 21,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.79 : 24,821.33 = 15,601.49 : x
  2. Step 2: Convert to fraction form
    17,995.79/24,821.33 = 15,601.49/x
  3. Step 3: Cross multiply
    17,995.79x = 24,821.33 × 15,601.49
  4. Step 4: Simplify right side
    17,995.79x = 387,249,607.68
  5. Step 5: Solve for x
    x = 387,249,607.68/17,995.79
  6. Step 6: Final answer
    x = 21,518.90

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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.