Home / 13,557.60-20,336.40-4,793.40

Finding the Fourth Proportional to 13,557.60, 20,336.40 and 4,793.40

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Solution

The fourth proportional to 13,557.60, 20,336.40 and 4,793.40 is: 7,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.60 : 20,336.40 = 4,793.40 : x
  2. Step 2: Convert to fraction form
    13,557.60/20,336.40 = 4,793.40/x
  3. Step 3: Cross multiply
    13,557.60x = 20,336.40 × 4,793.40
  4. Step 4: Simplify right side
    13,557.60x = 97,480,499.76
  5. Step 5: Solve for x
    x = 97,480,499.76/13,557.60
  6. Step 6: Final answer
    x = 7,190.10

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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.