Home / 19,435.54-29,157.56-6,287.72

Finding the Fourth Proportional to 19,435.54, 29,157.56 and 6,287.72

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Solution

The fourth proportional to 19,435.54, 29,157.56 and 6,287.72 is: 9,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.54 : 29,157.56 = 6,287.72 : x
  2. Step 2: Convert to fraction form
    19,435.54/29,157.56 = 6,287.72/x
  3. Step 3: Cross multiply
    19,435.54x = 29,157.56 × 6,287.72
  4. Step 4: Simplify right side
    19,435.54x = 183,334,573.16
  5. Step 5: Solve for x
    x = 183,334,573.16/19,435.54
  6. Step 6: Final answer
    x = 9,432.95

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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.