Home / 19,619.20-29,304.05-16,853.86

Finding the Fourth Proportional to 19,619.20, 29,304.05 and 16,853.86

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Solution

The fourth proportional to 19,619.20, 29,304.05 and 16,853.86 is: 25,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.20 : 29,304.05 = 16,853.86 : x
  2. Step 2: Convert to fraction form
    19,619.20/29,304.05 = 16,853.86/x
  3. Step 3: Cross multiply
    19,619.20x = 29,304.05 × 16,853.86
  4. Step 4: Simplify right side
    19,619.20x = 493,886,356.13
  5. Step 5: Solve for x
    x = 493,886,356.13/19,619.20
  6. Step 6: Final answer
    x = 25,173.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.