Home / 13,587.89-20,372.11-5,792.45

Finding the Fourth Proportional to 13,587.89, 20,372.11 and 5,792.45

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Solution

The fourth proportional to 13,587.89, 20,372.11 and 5,792.45 is: 8,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.89 : 20,372.11 = 5,792.45 : x
  2. Step 2: Convert to fraction form
    13,587.89/20,372.11 = 5,792.45/x
  3. Step 3: Cross multiply
    13,587.89x = 20,372.11 × 5,792.45
  4. Step 4: Simplify right side
    13,587.89x = 118,004,312.23
  5. Step 5: Solve for x
    x = 118,004,312.23/13,587.89
  6. Step 6: Final answer
    x = 8,684.52

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1.5x scale

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.