Home / 21,501.01-29,669.76-12,067.75

Finding the Fourth Proportional to 21,501.01, 29,669.76 and 12,067.75

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Solution

The fourth proportional to 21,501.01, 29,669.76 and 12,067.75 is: 16,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.01 : 29,669.76 = 12,067.75 : x
  2. Step 2: Convert to fraction form
    21,501.01/29,669.76 = 12,067.75/x
  3. Step 3: Cross multiply
    21,501.01x = 29,669.76 × 12,067.75
  4. Step 4: Simplify right side
    21,501.01x = 358,047,246.24
  5. Step 5: Solve for x
    x = 358,047,246.24/21,501.01
  6. Step 6: Final answer
    x = 16,652.58

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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.