Home / 14,108.37-21,159.51-5,780.22

Finding the Fourth Proportional to 14,108.37, 21,159.51 and 5,780.22

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Solution

The fourth proportional to 14,108.37, 21,159.51 and 5,780.22 is: 8,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.37 : 21,159.51 = 5,780.22 : x
  2. Step 2: Convert to fraction form
    14,108.37/21,159.51 = 5,780.22/x
  3. Step 3: Cross multiply
    14,108.37x = 21,159.51 × 5,780.22
  4. Step 4: Simplify right side
    14,108.37x = 122,306,517.09
  5. Step 5: Solve for x
    x = 122,306,517.09/14,108.37
  6. Step 6: Final answer
    x = 8,669.08

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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.