Home / 13,590.72-20,363.00-6,574.05

Finding the Fourth Proportional to 13,590.72, 20,363.00 and 6,574.05

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Solution

The fourth proportional to 13,590.72, 20,363.00 and 6,574.05 is: 9,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.72 : 20,363.00 = 6,574.05 : x
  2. Step 2: Convert to fraction form
    13,590.72/20,363.00 = 6,574.05/x
  3. Step 3: Cross multiply
    13,590.72x = 20,363.00 × 6,574.05
  4. Step 4: Simplify right side
    13,590.72x = 133,867,347.28
  5. Step 5: Solve for x
    x = 133,867,347.28/13,590.72
  6. Step 6: Final answer
    x = 9,849.91

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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.