Home / 19,442.32-29,157.36-6,291.64

Finding the Fourth Proportional to 19,442.32, 29,157.36 and 6,291.64

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Solution

The fourth proportional to 19,442.32, 29,157.36 and 6,291.64 is: 9,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.32 : 29,157.36 = 6,291.64 : x
  2. Step 2: Convert to fraction form
    19,442.32/29,157.36 = 6,291.64/x
  3. Step 3: Cross multiply
    19,442.32x = 29,157.36 × 6,291.64
  4. Step 4: Simplify right side
    19,442.32x = 183,447,612.47
  5. Step 5: Solve for x
    x = 183,447,612.47/19,442.32
  6. Step 6: Final answer
    x = 9,435.48

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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.