Home / 19,420.10-29,136.52-6,272.58

Finding the Fourth Proportional to 19,420.10, 29,136.52 and 6,272.58

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Solution

The fourth proportional to 19,420.10, 29,136.52 and 6,272.58 is: 9,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.10 : 29,136.52 = 6,272.58 : x
  2. Step 2: Convert to fraction form
    19,420.10/29,136.52 = 6,272.58/x
  3. Step 3: Cross multiply
    19,420.10x = 29,136.52 × 6,272.58
  4. Step 4: Simplify right side
    19,420.10x = 182,761,152.62
  5. Step 5: Solve for x
    x = 182,761,152.62/19,420.10
  6. Step 6: Final answer
    x = 9,410.93

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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.