Home / 13,656.44-20,484.80-9,006.24

Finding the Fourth Proportional to 13,656.44, 20,484.80 and 9,006.24

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Solution

The fourth proportional to 13,656.44, 20,484.80 and 9,006.24 is: 13,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.44 : 20,484.80 = 9,006.24 : x
  2. Step 2: Convert to fraction form
    13,656.44/20,484.80 = 9,006.24/x
  3. Step 3: Cross multiply
    13,656.44x = 20,484.80 × 9,006.24
  4. Step 4: Simplify right side
    13,656.44x = 184,491,025.15
  5. Step 5: Solve for x
    x = 184,491,025.15/13,656.44
  6. Step 6: Final answer
    x = 13,509.45

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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.