Home / 22,103.24-30,504.47-13,607.55

Finding the Fourth Proportional to 22,103.24, 30,504.47 and 13,607.55

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Solution

The fourth proportional to 22,103.24, 30,504.47 and 13,607.55 is: 18,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.24 : 30,504.47 = 13,607.55 : x
  2. Step 2: Convert to fraction form
    22,103.24/30,504.47 = 13,607.55/x
  3. Step 3: Cross multiply
    22,103.24x = 30,504.47 × 13,607.55
  4. Step 4: Simplify right side
    22,103.24x = 415,091,032.71
  5. Step 5: Solve for x
    x = 415,091,032.71/22,103.24
  6. Step 6: Final answer
    x = 18,779.65

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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.