Home / 21,833.71-30,061.44-19,838.30

Finding the Fourth Proportional to 21,833.71, 30,061.44 and 19,838.30

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Solution

The fourth proportional to 21,833.71, 30,061.44 and 19,838.30 is: 27,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833.71 : 30,061.44 = 19,838.30 : x
  2. Step 2: Convert to fraction form
    21,833.71/30,061.44 = 19,838.30/x
  3. Step 3: Cross multiply
    21,833.71x = 30,061.44 × 19,838.30
  4. Step 4: Simplify right side
    21,833.71x = 596,367,714.84
  5. Step 5: Solve for x
    x = 596,367,714.84/21,833.71
  6. Step 6: Final answer
    x = 27,314.08

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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.