Home / 14,562.12-20,089.42-9,180.31

Finding the Fourth Proportional to 14,562.12, 20,089.42 and 9,180.31

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Solution

The fourth proportional to 14,562.12, 20,089.42 and 9,180.31 is: 12,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.12 : 20,089.42 = 9,180.31 : x
  2. Step 2: Convert to fraction form
    14,562.12/20,089.42 = 9,180.31/x
  3. Step 3: Cross multiply
    14,562.12x = 20,089.42 × 9,180.31
  4. Step 4: Simplify right side
    14,562.12x = 184,427,124.32
  5. Step 5: Solve for x
    x = 184,427,124.32/14,562.12
  6. Step 6: Final answer
    x = 12,664.86

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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.