Home / 14,762.25-20,372.31-8,475.03

Finding the Fourth Proportional to 14,762.25, 20,372.31 and 8,475.03

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Solution

The fourth proportional to 14,762.25, 20,372.31 and 8,475.03 is: 11,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.25 : 20,372.31 = 8,475.03 : x
  2. Step 2: Convert to fraction form
    14,762.25/20,372.31 = 8,475.03/x
  3. Step 3: Cross multiply
    14,762.25x = 20,372.31 × 8,475.03
  4. Step 4: Simplify right side
    14,762.25x = 172,655,938.42
  5. Step 5: Solve for x
    x = 172,655,938.42/14,762.25
  6. Step 6: Final answer
    x = 11,695.77

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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.