Home / 20,927.52-31,353.93-11,044.71

Finding the Fourth Proportional to 20,927.52, 31,353.93 and 11,044.71

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Solution

The fourth proportional to 20,927.52, 31,353.93 and 11,044.71 is: 16,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927.52 : 31,353.93 = 11,044.71 : x
  2. Step 2: Convert to fraction form
    20,927.52/31,353.93 = 11,044.71/x
  3. Step 3: Cross multiply
    20,927.52x = 31,353.93 × 11,044.71
  4. Step 4: Simplify right side
    20,927.52x = 346,295,064.21
  5. Step 5: Solve for x
    x = 346,295,064.21/20,927.52
  6. Step 6: Final answer
    x = 16,547.35

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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.