Home / 15,582.80-23,374.20-10,917.20

Finding the Fourth Proportional to 15,582.80, 23,374.20 and 10,917.20

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Solution

The fourth proportional to 15,582.80, 23,374.20 and 10,917.20 is: 16,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.80 : 23,374.20 = 10,917.20 : x
  2. Step 2: Convert to fraction form
    15,582.80/23,374.20 = 10,917.20/x
  3. Step 3: Cross multiply
    15,582.80x = 23,374.20 × 10,917.20
  4. Step 4: Simplify right side
    15,582.80x = 255,180,816.24
  5. Step 5: Solve for x
    x = 255,180,816.24/15,582.80
  6. Step 6: Final answer
    x = 16,375.80

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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.