Home / 14,112.80-19,484.84-9,634.91

Finding the Fourth Proportional to 14,112.80, 19,484.84 and 9,634.91

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Solution

The fourth proportional to 14,112.80, 19,484.84 and 9,634.91 is: 13,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.80 : 19,484.84 = 9,634.91 : x
  2. Step 2: Convert to fraction form
    14,112.80/19,484.84 = 9,634.91/x
  3. Step 3: Cross multiply
    14,112.80x = 19,484.84 × 9,634.91
  4. Step 4: Simplify right side
    14,112.80x = 187,734,752.56
  5. Step 5: Solve for x
    x = 187,734,752.56/14,112.80
  6. Step 6: Final answer
    x = 13,302.45

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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.