Home / 20,733.30-28,618.25-19,675.44

Finding the Fourth Proportional to 20,733.30, 28,618.25 and 19,675.44

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Solution

The fourth proportional to 20,733.30, 28,618.25 and 19,675.44 is: 27,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.30 : 28,618.25 = 19,675.44 : x
  2. Step 2: Convert to fraction form
    20,733.30/28,618.25 = 19,675.44/x
  3. Step 3: Cross multiply
    20,733.30x = 28,618.25 × 19,675.44
  4. Step 4: Simplify right side
    20,733.30x = 563,076,562.40
  5. Step 5: Solve for x
    x = 563,076,562.40/20,733.30
  6. Step 6: Final answer
    x = 27,158.08

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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.