Home / 19,615.48-27,065.28-11,654.80

Finding the Fourth Proportional to 19,615.48, 27,065.28 and 11,654.80

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Solution

The fourth proportional to 19,615.48, 27,065.28 and 11,654.80 is: 16,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.48 : 27,065.28 = 11,654.80 : x
  2. Step 2: Convert to fraction form
    19,615.48/27,065.28 = 11,654.80/x
  3. Step 3: Cross multiply
    19,615.48x = 27,065.28 × 11,654.80
  4. Step 4: Simplify right side
    19,615.48x = 315,440,425.34
  5. Step 5: Solve for x
    x = 315,440,425.34/19,615.48
  6. Step 6: Final answer
    x = 16,081.20

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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.