Home / 14,760.60-20,369.55-8,475

Finding the Fourth Proportional to 14,760.60, 20,369.55 and 8,475

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Solution

The fourth proportional to 14,760.60, 20,369.55 and 8,475 is: 11,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.60 : 20,369.55 = 8,475 : x
  2. Step 2: Convert to fraction form
    14,760.60/20,369.55 = 8,475/x
  3. Step 3: Cross multiply
    14,760.60x = 20,369.55 × 8,475
  4. Step 4: Simplify right side
    14,760.60x = 172,631,936.25
  5. Step 5: Solve for x
    x = 172,631,936.25/14,760.60
  6. Step 6: Final answer
    x = 11,695.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.