Home / 13,360.86-20,045.82-5,970.42

Finding the Fourth Proportional to 13,360.86, 20,045.82 and 5,970.42

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Solution

The fourth proportional to 13,360.86, 20,045.82 and 5,970.42 is: 8,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.86 : 20,045.82 = 5,970.42 : x
  2. Step 2: Convert to fraction form
    13,360.86/20,045.82 = 5,970.42/x
  3. Step 3: Cross multiply
    13,360.86x = 20,045.82 × 5,970.42
  4. Step 4: Simplify right side
    13,360.86x = 119,681,964.64
  5. Step 5: Solve for x
    x = 119,681,964.64/13,360.86
  6. Step 6: Final answer
    x = 8,957.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.