Home / 13,706.07-18,908.20-8,041.13

Finding the Fourth Proportional to 13,706.07, 18,908.20 and 8,041.13

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Solution

The fourth proportional to 13,706.07, 18,908.20 and 8,041.13 is: 11,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.07 : 18,908.20 = 8,041.13 : x
  2. Step 2: Convert to fraction form
    13,706.07/18,908.20 = 8,041.13/x
  3. Step 3: Cross multiply
    13,706.07x = 18,908.20 × 8,041.13
  4. Step 4: Simplify right side
    13,706.07x = 152,043,294.27
  5. Step 5: Solve for x
    x = 152,043,294.27/13,706.07
  6. Step 6: Final answer
    x = 11,093.14

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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.