Home / 20,725.80-31,088.91-16,592.09

Finding the Fourth Proportional to 20,725.80, 31,088.91 and 16,592.09

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Solution

The fourth proportional to 20,725.80, 31,088.91 and 16,592.09 is: 24,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.80 : 31,088.91 = 16,592.09 : x
  2. Step 2: Convert to fraction form
    20,725.80/31,088.91 = 16,592.09/x
  3. Step 3: Cross multiply
    20,725.80x = 31,088.91 × 16,592.09
  4. Step 4: Simplify right side
    20,725.80x = 515,829,837.28
  5. Step 5: Solve for x
    x = 515,829,837.28/20,725.80
  6. Step 6: Final answer
    x = 24,888.30

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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.