Home / 19,835.60-27,372.78-10,883.08

Finding the Fourth Proportional to 19,835.60, 27,372.78 and 10,883.08

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Solution

The fourth proportional to 19,835.60, 27,372.78 and 10,883.08 is: 15,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.60 : 27,372.78 = 10,883.08 : x
  2. Step 2: Convert to fraction form
    19,835.60/27,372.78 = 10,883.08/x
  3. Step 3: Cross multiply
    19,835.60x = 27,372.78 × 10,883.08
  4. Step 4: Simplify right side
    19,835.60x = 297,900,154.56
  5. Step 5: Solve for x
    x = 297,900,154.56/19,835.60
  6. Step 6: Final answer
    x = 15,018.46

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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.