Home / 17,981.96-24,807.78-11,935.04

Finding the Fourth Proportional to 17,981.96, 24,807.78 and 11,935.04

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Solution

The fourth proportional to 17,981.96, 24,807.78 and 11,935.04 is: 16,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.96 : 24,807.78 = 11,935.04 : x
  2. Step 2: Convert to fraction form
    17,981.96/24,807.78 = 11,935.04/x
  3. Step 3: Cross multiply
    17,981.96x = 24,807.78 × 11,935.04
  4. Step 4: Simplify right side
    17,981.96x = 296,081,722.57
  5. Step 5: Solve for x
    x = 296,081,722.57/17,981.96
  6. Step 6: Final answer
    x = 16,465.49

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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.