Home / 22,319.58-30,801.92-13,365.30

Finding the Fourth Proportional to 22,319.58, 30,801.92 and 13,365.30

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Solution

The fourth proportional to 22,319.58, 30,801.92 and 13,365.30 is: 18,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.58 : 30,801.92 = 13,365.30 : x
  2. Step 2: Convert to fraction form
    22,319.58/30,801.92 = 13,365.30/x
  3. Step 3: Cross multiply
    22,319.58x = 30,801.92 × 13,365.30
  4. Step 4: Simplify right side
    22,319.58x = 411,676,901.38
  5. Step 5: Solve for x
    x = 411,676,901.38/22,319.58
  6. Step 6: Final answer
    x = 18,444.65

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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.