Home / 19,488.76-26,897.10-10,992.62

Finding the Fourth Proportional to 19,488.76, 26,897.10 and 10,992.62

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Solution

The fourth proportional to 19,488.76, 26,897.10 and 10,992.62 is: 15,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.76 : 26,897.10 = 10,992.62 : x
  2. Step 2: Convert to fraction form
    19,488.76/26,897.10 = 10,992.62/x
  3. Step 3: Cross multiply
    19,488.76x = 26,897.10 × 10,992.62
  4. Step 4: Simplify right side
    19,488.76x = 295,669,599.40
  5. Step 5: Solve for x
    x = 295,669,599.40/19,488.76
  6. Step 6: Final answer
    x = 15,171.29

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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.