Home / 22,907.72-31,605.48-12,834.80

Finding the Fourth Proportional to 22,907.72, 31,605.48 and 12,834.80

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Solution

The fourth proportional to 22,907.72, 31,605.48 and 12,834.80 is: 17,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907.72 : 31,605.48 = 12,834.80 : x
  2. Step 2: Convert to fraction form
    22,907.72/31,605.48 = 12,834.80/x
  3. Step 3: Cross multiply
    22,907.72x = 31,605.48 × 12,834.80
  4. Step 4: Simplify right side
    22,907.72x = 405,650,014.70
  5. Step 5: Solve for x
    x = 405,650,014.70/22,907.72
  6. Step 6: Final answer
    x = 17,708.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.