Home / 19,587.78-26,986.23-16,074

Finding the Fourth Proportional to 19,587.78, 26,986.23 and 16,074

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Solution

The fourth proportional to 19,587.78, 26,986.23 and 16,074 is: 22,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.78 : 26,986.23 = 16,074 : x
  2. Step 2: Convert to fraction form
    19,587.78/26,986.23 = 16,074/x
  3. Step 3: Cross multiply
    19,587.78x = 26,986.23 × 16,074
  4. Step 4: Simplify right side
    19,587.78x = 433,776,661.02
  5. Step 5: Solve for x
    x = 433,776,661.02/19,587.78
  6. Step 6: Final answer
    x = 22,145.27

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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.