Home / 19,435.42-29,157.38-6,287.60

Finding the Fourth Proportional to 19,435.42, 29,157.38 and 6,287.60

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Solution

The fourth proportional to 19,435.42, 29,157.38 and 6,287.60 is: 9,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.42 : 29,157.38 = 6,287.60 : x
  2. Step 2: Convert to fraction form
    19,435.42/29,157.38 = 6,287.60/x
  3. Step 3: Cross multiply
    19,435.42x = 29,157.38 × 6,287.60
  4. Step 4: Simplify right side
    19,435.42x = 183,329,942.49
  5. Step 5: Solve for x
    x = 183,329,942.49/19,435.42
  6. Step 6: Final answer
    x = 9,432.77

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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.