Home / 30,155.32-45,232.62-14,562.04

Finding the Fourth Proportional to 30,155.32, 45,232.62 and 14,562.04

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Solution

The fourth proportional to 30,155.32, 45,232.62 and 14,562.04 is: 21,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.32 : 45,232.62 = 14,562.04 : x
  2. Step 2: Convert to fraction form
    30,155.32/45,232.62 = 14,562.04/x
  3. Step 3: Cross multiply
    30,155.32x = 45,232.62 × 14,562.04
  4. Step 4: Simplify right side
    30,155.32x = 658,679,221.74
  5. Step 5: Solve for x
    x = 658,679,221.74/30,155.32
  6. Step 6: Final answer
    x = 21,842.89

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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.