Home / 23,263.78-32,188.50-20,285.80

Finding the Fourth Proportional to 23,263.78, 32,188.50 and 20,285.80

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Solution

The fourth proportional to 23,263.78, 32,188.50 and 20,285.80 is: 28,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,263.78 : 32,188.50 = 20,285.80 : x
  2. Step 2: Convert to fraction form
    23,263.78/32,188.50 = 20,285.80/x
  3. Step 3: Cross multiply
    23,263.78x = 32,188.50 × 20,285.80
  4. Step 4: Simplify right side
    23,263.78x = 652,969,473.30
  5. Step 5: Solve for x
    x = 652,969,473.30/23,263.78
  6. Step 6: Final answer
    x = 28,068.07

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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.