Home / 16,981.93-25,435.99-10,388.17

Finding the Fourth Proportional to 16,981.93, 25,435.99 and 10,388.17

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Solution

The fourth proportional to 16,981.93, 25,435.99 and 10,388.17 is: 15,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.93 : 25,435.99 = 10,388.17 : x
  2. Step 2: Convert to fraction form
    16,981.93/25,435.99 = 10,388.17/x
  3. Step 3: Cross multiply
    16,981.93x = 25,435.99 × 10,388.17
  4. Step 4: Simplify right side
    16,981.93x = 264,233,388.24
  5. Step 5: Solve for x
    x = 264,233,388.24/16,981.93
  6. Step 6: Final answer
    x = 15,559.68

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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.