Home / 13,496.50-20,251.68-7,580.08

Finding the Fourth Proportional to 13,496.50, 20,251.68 and 7,580.08

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Solution

The fourth proportional to 13,496.50, 20,251.68 and 7,580.08 is: 11,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.50 : 20,251.68 = 7,580.08 : x
  2. Step 2: Convert to fraction form
    13,496.50/20,251.68 = 7,580.08/x
  3. Step 3: Cross multiply
    13,496.50x = 20,251.68 × 7,580.08
  4. Step 4: Simplify right side
    13,496.50x = 153,509,354.53
  5. Step 5: Solve for x
    x = 153,509,354.53/13,496.50
  6. Step 6: Final answer
    x = 11,374.01

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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.