Home / 13,318.46-19,946.56-10,526.39

Finding the Fourth Proportional to 13,318.46, 19,946.56 and 10,526.39

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Solution

The fourth proportional to 13,318.46, 19,946.56 and 10,526.39 is: 15,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.46 : 19,946.56 = 10,526.39 : x
  2. Step 2: Convert to fraction form
    13,318.46/19,946.56 = 10,526.39/x
  3. Step 3: Cross multiply
    13,318.46x = 19,946.56 × 10,526.39
  4. Step 4: Simplify right side
    13,318.46x = 209,965,269.72
  5. Step 5: Solve for x
    x = 209,965,269.72/13,318.46
  6. Step 6: Final answer
    x = 15,764.98

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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.