Home / 19,587.30-27,030.92-11,629.54

Finding the Fourth Proportional to 19,587.30, 27,030.92 and 11,629.54

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Solution

The fourth proportional to 19,587.30, 27,030.92 and 11,629.54 is: 16,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.30 : 27,030.92 = 11,629.54 : x
  2. Step 2: Convert to fraction form
    19,587.30/27,030.92 = 11,629.54/x
  3. Step 3: Cross multiply
    19,587.30x = 27,030.92 × 11,629.54
  4. Step 4: Simplify right side
    19,587.30x = 314,357,165.38
  5. Step 5: Solve for x
    x = 314,357,165.38/19,587.30
  6. Step 6: Final answer
    x = 16,049.03

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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.