Home / 21,365.10-32,067.76-10,842.68

Finding the Fourth Proportional to 21,365.10, 32,067.76 and 10,842.68

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Solution

The fourth proportional to 21,365.10, 32,067.76 and 10,842.68 is: 16,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365.10 : 32,067.76 = 10,842.68 : x
  2. Step 2: Convert to fraction form
    21,365.10/32,067.76 = 10,842.68/x
  3. Step 3: Cross multiply
    21,365.10x = 32,067.76 × 10,842.68
  4. Step 4: Simplify right side
    21,365.10x = 347,700,460.00
  5. Step 5: Solve for x
    x = 347,700,460.00/21,365.10
  6. Step 6: Final answer
    x = 16,274.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.