Home / 13,515.48-20,276.15-7,598.25

Finding the Fourth Proportional to 13,515.48, 20,276.15 and 7,598.25

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Solution

The fourth proportional to 13,515.48, 20,276.15 and 7,598.25 is: 11,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.48 : 20,276.15 = 7,598.25 : x
  2. Step 2: Convert to fraction form
    13,515.48/20,276.15 = 7,598.25/x
  3. Step 3: Cross multiply
    13,515.48x = 20,276.15 × 7,598.25
  4. Step 4: Simplify right side
    13,515.48x = 154,063,218.75
  5. Step 5: Solve for x
    x = 154,063,218.75/13,515.48
  6. Step 6: Final answer
    x = 11,399.02

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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.