Home / 15,423.74-23,135.04-4,331.60

Finding the Fourth Proportional to 15,423.74, 23,135.04 and 4,331.60

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Solution

The fourth proportional to 15,423.74, 23,135.04 and 4,331.60 is: 6,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.74 : 23,135.04 = 4,331.60 : x
  2. Step 2: Convert to fraction form
    15,423.74/23,135.04 = 4,331.60/x
  3. Step 3: Cross multiply
    15,423.74x = 23,135.04 × 4,331.60
  4. Step 4: Simplify right side
    15,423.74x = 100,211,739.26
  5. Step 5: Solve for x
    x = 100,211,739.26/15,423.74
  6. Step 6: Final answer
    x = 6,497.24

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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.