Home / 22,838.82-31,527.30-13,889.22

Finding the Fourth Proportional to 22,838.82, 31,527.30 and 13,889.22

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Solution

The fourth proportional to 22,838.82, 31,527.30 and 13,889.22 is: 19,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.82 : 31,527.30 = 13,889.22 : x
  2. Step 2: Convert to fraction form
    22,838.82/31,527.30 = 13,889.22/x
  3. Step 3: Cross multiply
    22,838.82x = 31,527.30 × 13,889.22
  4. Step 4: Simplify right side
    22,838.82x = 437,889,605.71
  5. Step 5: Solve for x
    x = 437,889,605.71/22,838.82
  6. Step 6: Final answer
    x = 19,173.04

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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.