Home / 13,476.33-18,598.98-8,171.13

Finding the Fourth Proportional to 13,476.33, 18,598.98 and 8,171.13

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Solution

The fourth proportional to 13,476.33, 18,598.98 and 8,171.13 is: 11,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.33 : 18,598.98 = 8,171.13 : x
  2. Step 2: Convert to fraction form
    13,476.33/18,598.98 = 8,171.13/x
  3. Step 3: Cross multiply
    13,476.33x = 18,598.98 × 8,171.13
  4. Step 4: Simplify right side
    13,476.33x = 151,974,683.45
  5. Step 5: Solve for x
    x = 151,974,683.45/13,476.33
  6. Step 6: Final answer
    x = 11,277.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.