Home / 13,557.92-20,334.96-4,204.35

Finding the Fourth Proportional to 13,557.92, 20,334.96 and 4,204.35

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Solution

The fourth proportional to 13,557.92, 20,334.96 and 4,204.35 is: 6,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.92 : 20,334.96 = 4,204.35 : x
  2. Step 2: Convert to fraction form
    13,557.92/20,334.96 = 4,204.35/x
  3. Step 3: Cross multiply
    13,557.92x = 20,334.96 × 4,204.35
  4. Step 4: Simplify right side
    13,557.92x = 85,495,289.08
  5. Step 5: Solve for x
    x = 85,495,289.08/13,557.92
  6. Step 6: Final answer
    x = 6,305.93

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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.