Home / 13,572.12-20,347.74-6,548.52

Finding the Fourth Proportional to 13,572.12, 20,347.74 and 6,548.52

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Solution

The fourth proportional to 13,572.12, 20,347.74 and 6,548.52 is: 9,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.12 : 20,347.74 = 6,548.52 : x
  2. Step 2: Convert to fraction form
    13,572.12/20,347.74 = 6,548.52/x
  3. Step 3: Cross multiply
    13,572.12x = 20,347.74 × 6,548.52
  4. Step 4: Simplify right side
    13,572.12x = 133,247,582.34
  5. Step 5: Solve for x
    x = 133,247,582.34/13,572.12
  6. Step 6: Final answer
    x = 9,817.74

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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.