Home / 19,505.07-26,916.95-11,007.17

Finding the Fourth Proportional to 19,505.07, 26,916.95 and 11,007.17

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Solution

The fourth proportional to 19,505.07, 26,916.95 and 11,007.17 is: 15,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.07 : 26,916.95 = 11,007.17 : x
  2. Step 2: Convert to fraction form
    19,505.07/26,916.95 = 11,007.17/x
  3. Step 3: Cross multiply
    19,505.07x = 26,916.95 × 11,007.17
  4. Step 4: Simplify right side
    19,505.07x = 296,279,367.54
  5. Step 5: Solve for x
    x = 296,279,367.54/19,505.07
  6. Step 6: Final answer
    x = 15,189.86

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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.