Home / 14,131.24-19,501.70-7,843.64

Finding the Fourth Proportional to 14,131.24, 19,501.70 and 7,843.64

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Solution

The fourth proportional to 14,131.24, 19,501.70 and 7,843.64 is: 10,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.24 : 19,501.70 = 7,843.64 : x
  2. Step 2: Convert to fraction form
    14,131.24/19,501.70 = 7,843.64/x
  3. Step 3: Cross multiply
    14,131.24x = 19,501.70 × 7,843.64
  4. Step 4: Simplify right side
    14,131.24x = 152,964,314.19
  5. Step 5: Solve for x
    x = 152,964,314.19/14,131.24
  6. Step 6: Final answer
    x = 10,824.55

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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.