Home / 30,182.88-41,652.48-16,753.20

Finding the Fourth Proportional to 30,182.88, 41,652.48 and 16,753.20

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Solution

The fourth proportional to 30,182.88, 41,652.48 and 16,753.20 is: 23,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.88 : 41,652.48 = 16,753.20 : x
  2. Step 2: Convert to fraction form
    30,182.88/41,652.48 = 16,753.20/x
  3. Step 3: Cross multiply
    30,182.88x = 41,652.48 × 16,753.20
  4. Step 4: Simplify right side
    30,182.88x = 697,812,327.94
  5. Step 5: Solve for x
    x = 697,812,327.94/30,182.88
  6. Step 6: Final answer
    x = 23,119.47

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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.