Home / 13,047.62-19,554.10-7,109.26

Finding the Fourth Proportional to 13,047.62, 19,554.10 and 7,109.26

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Solution

The fourth proportional to 13,047.62, 19,554.10 and 7,109.26 is: 10,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.62 : 19,554.10 = 7,109.26 : x
  2. Step 2: Convert to fraction form
    13,047.62/19,554.10 = 7,109.26/x
  3. Step 3: Cross multiply
    13,047.62x = 19,554.10 × 7,109.26
  4. Step 4: Simplify right side
    13,047.62x = 139,015,180.97
  5. Step 5: Solve for x
    x = 139,015,180.97/13,047.62
  6. Step 6: Final answer
    x = 10,654.45

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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.