Home / 13,712.60-20,569.62-4,353.35

Finding the Fourth Proportional to 13,712.60, 20,569.62 and 4,353.35

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Solution

The fourth proportional to 13,712.60, 20,569.62 and 4,353.35 is: 6,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.60 : 20,569.62 = 4,353.35 : x
  2. Step 2: Convert to fraction form
    13,712.60/20,569.62 = 4,353.35/x
  3. Step 3: Cross multiply
    13,712.60x = 20,569.62 × 4,353.35
  4. Step 4: Simplify right side
    13,712.60x = 89,546,652.38
  5. Step 5: Solve for x
    x = 89,546,652.38/13,712.60
  6. Step 6: Final answer
    x = 6,530.25

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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.