Home / 13,656.50-18,844.66-10,073.40

Finding the Fourth Proportional to 13,656.50, 18,844.66 and 10,073.40

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Solution

The fourth proportional to 13,656.50, 18,844.66 and 10,073.40 is: 13,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.50 : 18,844.66 = 10,073.40 : x
  2. Step 2: Convert to fraction form
    13,656.50/18,844.66 = 10,073.40/x
  3. Step 3: Cross multiply
    13,656.50x = 18,844.66 × 10,073.40
  4. Step 4: Simplify right side
    13,656.50x = 189,829,747.68
  5. Step 5: Solve for x
    x = 189,829,747.68/13,656.50
  6. Step 6: Final answer
    x = 13,900.33

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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.