Home / 22,791.46-31,443.44-14,278.77

Finding the Fourth Proportional to 22,791.46, 31,443.44 and 14,278.77

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Solution

The fourth proportional to 22,791.46, 31,443.44 and 14,278.77 is: 19,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.46 : 31,443.44 = 14,278.77 : x
  2. Step 2: Convert to fraction form
    22,791.46/31,443.44 = 14,278.77/x
  3. Step 3: Cross multiply
    22,791.46x = 31,443.44 × 14,278.77
  4. Step 4: Simplify right side
    22,791.46x = 448,973,811.45
  5. Step 5: Solve for x
    x = 448,973,811.45/22,791.46
  6. Step 6: Final answer
    x = 19,699.21

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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.