Home / 20,847.48-28,731.60-16,468.08

Finding the Fourth Proportional to 20,847.48, 28,731.60 and 16,468.08

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Solution

The fourth proportional to 20,847.48, 28,731.60 and 16,468.08 is: 22,695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847.48 : 28,731.60 = 16,468.08 : x
  2. Step 2: Convert to fraction form
    20,847.48/28,731.60 = 16,468.08/x
  3. Step 3: Cross multiply
    20,847.48x = 28,731.60 × 16,468.08
  4. Step 4: Simplify right side
    20,847.48x = 473,154,287.33
  5. Step 5: Solve for x
    x = 473,154,287.33/20,847.48
  6. Step 6: Final answer
    x = 22,695.99

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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.