Home / 15,327.60-22,991.40-5,467.20

Finding the Fourth Proportional to 15,327.60, 22,991.40 and 5,467.20

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Solution

The fourth proportional to 15,327.60, 22,991.40 and 5,467.20 is: 8,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.60 : 22,991.40 = 5,467.20 : x
  2. Step 2: Convert to fraction form
    15,327.60/22,991.40 = 5,467.20/x
  3. Step 3: Cross multiply
    15,327.60x = 22,991.40 × 5,467.20
  4. Step 4: Simplify right side
    15,327.60x = 125,698,582.08
  5. Step 5: Solve for x
    x = 125,698,582.08/15,327.60
  6. Step 6: Final answer
    x = 8,200.80

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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.