Home / 32,190.76-48,293.09-13,215.43

Finding the Fourth Proportional to 32,190.76, 48,293.09 and 13,215.43

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Solution

The fourth proportional to 32,190.76, 48,293.09 and 13,215.43 is: 19,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190.76 : 48,293.09 = 13,215.43 : x
  2. Step 2: Convert to fraction form
    32,190.76/48,293.09 = 13,215.43/x
  3. Step 3: Cross multiply
    32,190.76x = 48,293.09 × 13,215.43
  4. Step 4: Simplify right side
    32,190.76x = 638,213,642.84
  5. Step 5: Solve for x
    x = 638,213,642.84/32,190.76
  6. Step 6: Final answer
    x = 19,825.99

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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.