Home / 17,561.64-26,363.04-13,866.36

Finding the Fourth Proportional to 17,561.64, 26,363.04 and 13,866.36

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Solution

The fourth proportional to 17,561.64, 26,363.04 and 13,866.36 is: 20,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.64 : 26,363.04 = 13,866.36 : x
  2. Step 2: Convert to fraction form
    17,561.64/26,363.04 = 13,866.36/x
  3. Step 3: Cross multiply
    17,561.64x = 26,363.04 × 13,866.36
  4. Step 4: Simplify right side
    17,561.64x = 365,559,403.33
  5. Step 5: Solve for x
    x = 365,559,403.33/17,561.64
  6. Step 6: Final answer
    x = 20,815.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.