Home / 16,990.74-25,486.56-10,019.79

Finding the Fourth Proportional to 16,990.74, 25,486.56 and 10,019.79

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Solution

The fourth proportional to 16,990.74, 25,486.56 and 10,019.79 is: 15,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.74 : 25,486.56 = 10,019.79 : x
  2. Step 2: Convert to fraction form
    16,990.74/25,486.56 = 10,019.79/x
  3. Step 3: Cross multiply
    16,990.74x = 25,486.56 × 10,019.79
  4. Step 4: Simplify right side
    16,990.74x = 255,369,979.02
  5. Step 5: Solve for x
    x = 255,369,979.02/16,990.74
  6. Step 6: Final answer
    x = 15,029.95

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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.