Home / 13,347.36-20,020.32-4,582.80

Finding the Fourth Proportional to 13,347.36, 20,020.32 and 4,582.80

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Solution

The fourth proportional to 13,347.36, 20,020.32 and 4,582.80 is: 6,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.36 : 20,020.32 = 4,582.80 : x
  2. Step 2: Convert to fraction form
    13,347.36/20,020.32 = 4,582.80/x
  3. Step 3: Cross multiply
    13,347.36x = 20,020.32 × 4,582.80
  4. Step 4: Simplify right side
    13,347.36x = 91,749,122.50
  5. Step 5: Solve for x
    x = 91,749,122.50/13,347.36
  6. Step 6: Final answer
    x = 6,873.95

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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.