Home / 19,630.93-29,430.91-9,764.83

Finding the Fourth Proportional to 19,630.93, 29,430.91 and 9,764.83

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Solution

The fourth proportional to 19,630.93, 29,430.91 and 9,764.83 is: 14,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.93 : 29,430.91 = 9,764.83 : x
  2. Step 2: Convert to fraction form
    19,630.93/29,430.91 = 9,764.83/x
  3. Step 3: Cross multiply
    19,630.93x = 29,430.91 × 9,764.83
  4. Step 4: Simplify right side
    19,630.93x = 287,387,832.90
  5. Step 5: Solve for x
    x = 287,387,832.90/19,630.93
  6. Step 6: Final answer
    x = 14,639.54

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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.