Home / 16,831.08-25,247.70-9,891

Finding the Fourth Proportional to 16,831.08, 25,247.70 and 9,891

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Solution

The fourth proportional to 16,831.08, 25,247.70 and 9,891 is: 14,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.08 : 25,247.70 = 9,891 : x
  2. Step 2: Convert to fraction form
    16,831.08/25,247.70 = 9,891/x
  3. Step 3: Cross multiply
    16,831.08x = 25,247.70 × 9,891
  4. Step 4: Simplify right side
    16,831.08x = 249,725,000.70
  5. Step 5: Solve for x
    x = 249,725,000.70/16,831.08
  6. Step 6: Final answer
    x = 14,837.13

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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.