Home / 15,212.24-22,814.40-6,442.64

Finding the Fourth Proportional to 15,212.24, 22,814.40 and 6,442.64

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Solution

The fourth proportional to 15,212.24, 22,814.40 and 6,442.64 is: 9,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.24 : 22,814.40 = 6,442.64 : x
  2. Step 2: Convert to fraction form
    15,212.24/22,814.40 = 6,442.64/x
  3. Step 3: Cross multiply
    15,212.24x = 22,814.40 × 6,442.64
  4. Step 4: Simplify right side
    15,212.24x = 146,984,966.02
  5. Step 5: Solve for x
    x = 146,984,966.02/15,212.24
  6. Step 6: Final answer
    x = 9,662.28

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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.