Home / 17,218.07-23,784.36-13,488.43

Finding the Fourth Proportional to 17,218.07, 23,784.36 and 13,488.43

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Solution

The fourth proportional to 17,218.07, 23,784.36 and 13,488.43 is: 18,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.07 : 23,784.36 = 13,488.43 : x
  2. Step 2: Convert to fraction form
    17,218.07/23,784.36 = 13,488.43/x
  3. Step 3: Cross multiply
    17,218.07x = 23,784.36 × 13,488.43
  4. Step 4: Simplify right side
    17,218.07x = 320,813,674.95
  5. Step 5: Solve for x
    x = 320,813,674.95/17,218.07
  6. Step 6: Final answer
    x = 18,632.38

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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.