Home / 19,336.91-26,684.87-10,839.05

Finding the Fourth Proportional to 19,336.91, 26,684.87 and 10,839.05

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Solution

The fourth proportional to 19,336.91, 26,684.87 and 10,839.05 is: 14,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.91 : 26,684.87 = 10,839.05 : x
  2. Step 2: Convert to fraction form
    19,336.91/26,684.87 = 10,839.05/x
  3. Step 3: Cross multiply
    19,336.91x = 26,684.87 × 10,839.05
  4. Step 4: Simplify right side
    19,336.91x = 289,238,640.17
  5. Step 5: Solve for x
    x = 289,238,640.17/19,336.91
  6. Step 6: Final answer
    x = 14,957.85

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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.