Home / 14,121.24-19,476.36-9,871.08

Finding the Fourth Proportional to 14,121.24, 19,476.36 and 9,871.08

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Solution

The fourth proportional to 14,121.24, 19,476.36 and 9,871.08 is: 13,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.24 : 19,476.36 = 9,871.08 : x
  2. Step 2: Convert to fraction form
    14,121.24/19,476.36 = 9,871.08/x
  3. Step 3: Cross multiply
    14,121.24x = 19,476.36 × 9,871.08
  4. Step 4: Simplify right side
    14,121.24x = 192,252,707.67
  5. Step 5: Solve for x
    x = 192,252,707.67/14,121.24
  6. Step 6: Final answer
    x = 13,614.44

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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.