Home / 19,868.51-27,409.07-14,479.39

Finding the Fourth Proportional to 19,868.51, 27,409.07 and 14,479.39

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Solution

The fourth proportional to 19,868.51, 27,409.07 and 14,479.39 is: 19,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.51 : 27,409.07 = 14,479.39 : x
  2. Step 2: Convert to fraction form
    19,868.51/27,409.07 = 14,479.39/x
  3. Step 3: Cross multiply
    19,868.51x = 27,409.07 × 14,479.39
  4. Step 4: Simplify right side
    19,868.51x = 396,866,614.07
  5. Step 5: Solve for x
    x = 396,866,614.07/19,868.51
  6. Step 6: Final answer
    x = 19,974.65

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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.