Home / 19,086.72-28,630.08-9,853.44

Finding the Fourth Proportional to 19,086.72, 28,630.08 and 9,853.44

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Solution

The fourth proportional to 19,086.72, 28,630.08 and 9,853.44 is: 14,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.72 : 28,630.08 = 9,853.44 : x
  2. Step 2: Convert to fraction form
    19,086.72/28,630.08 = 9,853.44/x
  3. Step 3: Cross multiply
    19,086.72x = 28,630.08 × 9,853.44
  4. Step 4: Simplify right side
    19,086.72x = 282,104,775.48
  5. Step 5: Solve for x
    x = 282,104,775.48/19,086.72
  6. Step 6: Final answer
    x = 14,780.16

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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.