Home / 19,486.38-26,894.67-11,532.99

Finding the Fourth Proportional to 19,486.38, 26,894.67 and 11,532.99

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Solution

The fourth proportional to 19,486.38, 26,894.67 and 11,532.99 is: 15,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.38 : 26,894.67 = 11,532.99 : x
  2. Step 2: Convert to fraction form
    19,486.38/26,894.67 = 11,532.99/x
  3. Step 3: Cross multiply
    19,486.38x = 26,894.67 × 11,532.99
  4. Step 4: Simplify right side
    19,486.38x = 310,175,960.16
  5. Step 5: Solve for x
    x = 310,175,960.16/19,486.38
  6. Step 6: Final answer
    x = 15,917.58

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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.