Home / 13,592.12-20,390.93-4,827.72

Finding the Fourth Proportional to 13,592.12, 20,390.93 and 4,827.72

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Solution

The fourth proportional to 13,592.12, 20,390.93 and 4,827.72 is: 7,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.12 : 20,390.93 = 4,827.72 : x
  2. Step 2: Convert to fraction form
    13,592.12/20,390.93 = 4,827.72/x
  3. Step 3: Cross multiply
    13,592.12x = 20,390.93 × 4,827.72
  4. Step 4: Simplify right side
    13,592.12x = 98,441,700.58
  5. Step 5: Solve for x
    x = 98,441,700.58/13,592.12
  6. Step 6: Final answer
    x = 7,242.56

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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.