Home / 21,916.35-32,831.22-14,498.37

Finding the Fourth Proportional to 21,916.35, 32,831.22 and 14,498.37

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Solution

The fourth proportional to 21,916.35, 32,831.22 and 14,498.37 is: 21,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916.35 : 32,831.22 = 14,498.37 : x
  2. Step 2: Convert to fraction form
    21,916.35/32,831.22 = 14,498.37/x
  3. Step 3: Cross multiply
    21,916.35x = 32,831.22 × 14,498.37
  4. Step 4: Simplify right side
    21,916.35x = 475,999,175.11
  5. Step 5: Solve for x
    x = 475,999,175.11/21,916.35
  6. Step 6: Final answer
    x = 21,718.91

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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.