Home / 19,335.92-29,010.60-9,983.60

Finding the Fourth Proportional to 19,335.92, 29,010.60 and 9,983.60

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Solution

The fourth proportional to 19,335.92, 29,010.60 and 9,983.60 is: 14,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.92 : 29,010.60 = 9,983.60 : x
  2. Step 2: Convert to fraction form
    19,335.92/29,010.60 = 9,983.60/x
  3. Step 3: Cross multiply
    19,335.92x = 29,010.60 × 9,983.60
  4. Step 4: Simplify right side
    19,335.92x = 289,630,226.16
  5. Step 5: Solve for x
    x = 289,630,226.16/19,335.92
  6. Step 6: Final answer
    x = 14,978.87

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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.