Home / 14,520.36-21,777.50-4,129.32

Finding the Fourth Proportional to 14,520.36, 21,777.50 and 4,129.32

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Solution

The fourth proportional to 14,520.36, 21,777.50 and 4,129.32 is: 6,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.36 : 21,777.50 = 4,129.32 : x
  2. Step 2: Convert to fraction form
    14,520.36/21,777.50 = 4,129.32/x
  3. Step 3: Cross multiply
    14,520.36x = 21,777.50 × 4,129.32
  4. Step 4: Simplify right side
    14,520.36x = 89,926,266.30
  5. Step 5: Solve for x
    x = 89,926,266.30/14,520.36
  6. Step 6: Final answer
    x = 6,193.12

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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.