Home / 10,222.40-15,241.57-9,967.25

Finding the Fourth Proportional to 10,222.40, 15,241.57 and 9,967.25

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Solution

The fourth proportional to 10,222.40, 15,241.57 and 9,967.25 is: 14,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.40 : 15,241.57 = 9,967.25 : x
  2. Step 2: Convert to fraction form
    10,222.40/15,241.57 = 9,967.25/x
  3. Step 3: Cross multiply
    10,222.40x = 15,241.57 × 9,967.25
  4. Step 4: Simplify right side
    10,222.40x = 151,916,551.77
  5. Step 5: Solve for x
    x = 151,916,551.77/10,222.40
  6. Step 6: Final answer
    x = 14,861.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.