Home / 16,887.88-23,315.16-11,590.48

Finding the Fourth Proportional to 16,887.88, 23,315.16 and 11,590.48

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Solution

The fourth proportional to 16,887.88, 23,315.16 and 11,590.48 is: 16,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.88 : 23,315.16 = 11,590.48 : x
  2. Step 2: Convert to fraction form
    16,887.88/23,315.16 = 11,590.48/x
  3. Step 3: Cross multiply
    16,887.88x = 23,315.16 × 11,590.48
  4. Step 4: Simplify right side
    16,887.88x = 270,233,895.68
  5. Step 5: Solve for x
    x = 270,233,895.68/16,887.88
  6. Step 6: Final answer
    x = 16,001.65

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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.