Home / 12,926.40-19,373.13-5,528.94

Finding the Fourth Proportional to 12,926.40, 19,373.13 and 5,528.94

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Solution

The fourth proportional to 12,926.40, 19,373.13 and 5,528.94 is: 8,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.40 : 19,373.13 = 5,528.94 : x
  2. Step 2: Convert to fraction form
    12,926.40/19,373.13 = 5,528.94/x
  3. Step 3: Cross multiply
    12,926.40x = 19,373.13 × 5,528.94
  4. Step 4: Simplify right side
    12,926.40x = 107,112,873.38
  5. Step 5: Solve for x
    x = 107,112,873.38/12,926.40
  6. Step 6: Final answer
    x = 8,286.37

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1.5x scale

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.