Home / 13,724.01-18,926.91-10,699.88

Finding the Fourth Proportional to 13,724.01, 18,926.91 and 10,699.88

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Solution

The fourth proportional to 13,724.01, 18,926.91 and 10,699.88 is: 14,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.01 : 18,926.91 = 10,699.88 : x
  2. Step 2: Convert to fraction form
    13,724.01/18,926.91 = 10,699.88/x
  3. Step 3: Cross multiply
    13,724.01x = 18,926.91 × 10,699.88
  4. Step 4: Simplify right side
    13,724.01x = 202,515,571.14
  5. Step 5: Solve for x
    x = 202,515,571.14/13,724.01
  6. Step 6: Final answer
    x = 14,756.30

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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.