Home / 21,592.98-32,440.50-18,837.36

Finding the Fourth Proportional to 21,592.98, 32,440.50 and 18,837.36

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Solution

The fourth proportional to 21,592.98, 32,440.50 and 18,837.36 is: 28,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.98 : 32,440.50 = 18,837.36 : x
  2. Step 2: Convert to fraction form
    21,592.98/32,440.50 = 18,837.36/x
  3. Step 3: Cross multiply
    21,592.98x = 32,440.50 × 18,837.36
  4. Step 4: Simplify right side
    21,592.98x = 611,093,377.08
  5. Step 5: Solve for x
    x = 611,093,377.08/21,592.98
  6. Step 6: Final answer
    x = 28,300.56

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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.