Home / 19,612.88-29,432.27-9,225.44

Finding the Fourth Proportional to 19,612.88, 29,432.27 and 9,225.44

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Solution

The fourth proportional to 19,612.88, 29,432.27 and 9,225.44 is: 13,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.88 : 29,432.27 = 9,225.44 : x
  2. Step 2: Convert to fraction form
    19,612.88/29,432.27 = 9,225.44/x
  3. Step 3: Cross multiply
    19,612.88x = 29,432.27 × 9,225.44
  4. Step 4: Simplify right side
    19,612.88x = 271,525,516.85
  5. Step 5: Solve for x
    x = 271,525,516.85/19,612.88
  6. Step 6: Final answer
    x = 13,844.25

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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.