Home / 13,503.08-20,260.46-7,255.80

Finding the Fourth Proportional to 13,503.08, 20,260.46 and 7,255.80

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Solution

The fourth proportional to 13,503.08, 20,260.46 and 7,255.80 is: 10,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.08 : 20,260.46 = 7,255.80 : x
  2. Step 2: Convert to fraction form
    13,503.08/20,260.46 = 7,255.80/x
  3. Step 3: Cross multiply
    13,503.08x = 20,260.46 × 7,255.80
  4. Step 4: Simplify right side
    13,503.08x = 147,005,845.67
  5. Step 5: Solve for x
    x = 147,005,845.67/13,503.08
  6. Step 6: Final answer
    x = 10,886.84

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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.