Home / 13,526.78-20,335.86-10,926.41

Finding the Fourth Proportional to 13,526.78, 20,335.86 and 10,926.41

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Solution

The fourth proportional to 13,526.78, 20,335.86 and 10,926.41 is: 16,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.78 : 20,335.86 = 10,926.41 : x
  2. Step 2: Convert to fraction form
    13,526.78/20,335.86 = 10,926.41/x
  3. Step 3: Cross multiply
    13,526.78x = 20,335.86 × 10,926.41
  4. Step 4: Simplify right side
    13,526.78x = 222,197,842.38
  5. Step 5: Solve for x
    x = 222,197,842.38/13,526.78
  6. Step 6: Final answer
    x = 16,426.52

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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.