Home / 19,633.61-29,466.23-9,115.35

Finding the Fourth Proportional to 19,633.61, 29,466.23 and 9,115.35

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Solution

The fourth proportional to 19,633.61, 29,466.23 and 9,115.35 is: 13,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.61 : 29,466.23 = 9,115.35 : x
  2. Step 2: Convert to fraction form
    19,633.61/29,466.23 = 9,115.35/x
  3. Step 3: Cross multiply
    19,633.61x = 29,466.23 × 9,115.35
  4. Step 4: Simplify right side
    19,633.61x = 268,594,954.05
  5. Step 5: Solve for x
    x = 268,594,954.05/19,633.61
  6. Step 6: Final answer
    x = 13,680.37

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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.