Home / 15,967.40-23,951.09-4,280.92

Finding the Fourth Proportional to 15,967.40, 23,951.09 and 4,280.92

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Solution

The fourth proportional to 15,967.40, 23,951.09 and 4,280.92 is: 6,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.40 : 23,951.09 = 4,280.92 : x
  2. Step 2: Convert to fraction form
    15,967.40/23,951.09 = 4,280.92/x
  3. Step 3: Cross multiply
    15,967.40x = 23,951.09 × 4,280.92
  4. Step 4: Simplify right side
    15,967.40x = 102,532,651.03
  5. Step 5: Solve for x
    x = 102,532,651.03/15,967.40
  6. Step 6: Final answer
    x = 6,421.38

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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.