Home / 13,546.93-18,699.78-10,199.45

Finding the Fourth Proportional to 13,546.93, 18,699.78 and 10,199.45

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Solution

The fourth proportional to 13,546.93, 18,699.78 and 10,199.45 is: 14,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.93 : 18,699.78 = 10,199.45 : x
  2. Step 2: Convert to fraction form
    13,546.93/18,699.78 = 10,199.45/x
  3. Step 3: Cross multiply
    13,546.93x = 18,699.78 × 10,199.45
  4. Step 4: Simplify right side
    13,546.93x = 190,727,498.75
  5. Step 5: Solve for x
    x = 190,727,498.75/13,546.93
  6. Step 6: Final answer
    x = 14,079.02

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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.