Home / 13,261.74-19,892.61-7,415.16

Finding the Fourth Proportional to 13,261.74, 19,892.61 and 7,415.16

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Solution

The fourth proportional to 13,261.74, 19,892.61 and 7,415.16 is: 11,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.74 : 19,892.61 = 7,415.16 : x
  2. Step 2: Convert to fraction form
    13,261.74/19,892.61 = 7,415.16/x
  3. Step 3: Cross multiply
    13,261.74x = 19,892.61 × 7,415.16
  4. Step 4: Simplify right side
    13,261.74x = 147,506,885.97
  5. Step 5: Solve for x
    x = 147,506,885.97/13,261.74
  6. Step 6: Final answer
    x = 11,122.74

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Similar ratio
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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.