Home / 19,817.52-27,348.48-10,865.52

Finding the Fourth Proportional to 19,817.52, 27,348.48 and 10,865.52

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Solution

The fourth proportional to 19,817.52, 27,348.48 and 10,865.52 is: 14,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.52 : 27,348.48 = 10,865.52 : x
  2. Step 2: Convert to fraction form
    19,817.52/27,348.48 = 10,865.52/x
  3. Step 3: Cross multiply
    19,817.52x = 27,348.48 × 10,865.52
  4. Step 4: Simplify right side
    19,817.52x = 297,155,456.41
  5. Step 5: Solve for x
    x = 297,155,456.41/19,817.52
  6. Step 6: Final answer
    x = 14,994.58

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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.