Home / 17,573.80-26,386.30-12,402.60

Finding the Fourth Proportional to 17,573.80, 26,386.30 and 12,402.60

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Solution

The fourth proportional to 17,573.80, 26,386.30 and 12,402.60 is: 18,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,573.80 : 26,386.30 = 12,402.60 : x
  2. Step 2: Convert to fraction form
    17,573.80/26,386.30 = 12,402.60/x
  3. Step 3: Cross multiply
    17,573.80x = 26,386.30 × 12,402.60
  4. Step 4: Simplify right side
    17,573.80x = 327,258,724.38
  5. Step 5: Solve for x
    x = 327,258,724.38/17,573.80
  6. Step 6: Final answer
    x = 18,621.97

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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.