Home / 14,131.72-21,184.14-4,891.24

Finding the Fourth Proportional to 14,131.72, 21,184.14 and 4,891.24

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Solution

The fourth proportional to 14,131.72, 21,184.14 and 4,891.24 is: 7,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.72 : 21,184.14 = 4,891.24 : x
  2. Step 2: Convert to fraction form
    14,131.72/21,184.14 = 4,891.24/x
  3. Step 3: Cross multiply
    14,131.72x = 21,184.14 × 4,891.24
  4. Step 4: Simplify right side
    14,131.72x = 103,616,712.93
  5. Step 5: Solve for x
    x = 103,616,712.93/14,131.72
  6. Step 6: Final answer
    x = 7,332.21

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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.