Home / 13,931.67-20,898.19-4,567.89

Finding the Fourth Proportional to 13,931.67, 20,898.19 and 4,567.89

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Solution

The fourth proportional to 13,931.67, 20,898.19 and 4,567.89 is: 6,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.67 : 20,898.19 = 4,567.89 : x
  2. Step 2: Convert to fraction form
    13,931.67/20,898.19 = 4,567.89/x
  3. Step 3: Cross multiply
    13,931.67x = 20,898.19 × 4,567.89
  4. Step 4: Simplify right side
    13,931.67x = 95,460,633.12
  5. Step 5: Solve for x
    x = 95,460,633.12/13,931.67
  6. Step 6: Final answer
    x = 6,852.06

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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.