Home / 23,270.18-34,911.75-12,889.22

Finding the Fourth Proportional to 23,270.18, 34,911.75 and 12,889.22

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Solution

The fourth proportional to 23,270.18, 34,911.75 and 12,889.22 is: 19,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.18 : 34,911.75 = 12,889.22 : x
  2. Step 2: Convert to fraction form
    23,270.18/34,911.75 = 12,889.22/x
  3. Step 3: Cross multiply
    23,270.18x = 34,911.75 × 12,889.22
  4. Step 4: Simplify right side
    23,270.18x = 449,985,226.34
  5. Step 5: Solve for x
    x = 449,985,226.34/23,270.18
  6. Step 6: Final answer
    x = 19,337.42

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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.