Home / 19,929.46-27,472.60-16,386.52

Finding the Fourth Proportional to 19,929.46, 27,472.60 and 16,386.52

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Solution

The fourth proportional to 19,929.46, 27,472.60 and 16,386.52 is: 22,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.46 : 27,472.60 = 16,386.52 : x
  2. Step 2: Convert to fraction form
    19,929.46/27,472.60 = 16,386.52/x
  3. Step 3: Cross multiply
    19,929.46x = 27,472.60 × 16,386.52
  4. Step 4: Simplify right side
    19,929.46x = 450,180,090.06
  5. Step 5: Solve for x
    x = 450,180,090.06/19,929.46
  6. Step 6: Final answer
    x = 22,588.68

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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.