Home / 19,646.18-27,112.17-11,148.86

Finding the Fourth Proportional to 19,646.18, 27,112.17 and 11,148.86

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Solution

The fourth proportional to 19,646.18, 27,112.17 and 11,148.86 is: 15,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.18 : 27,112.17 = 11,148.86 : x
  2. Step 2: Convert to fraction form
    19,646.18/27,112.17 = 11,148.86/x
  3. Step 3: Cross multiply
    19,646.18x = 27,112.17 × 11,148.86
  4. Step 4: Simplify right side
    19,646.18x = 302,269,787.63
  5. Step 5: Solve for x
    x = 302,269,787.63/19,646.18
  6. Step 6: Final answer
    x = 15,385.68

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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.