Home / 22,425.26-30,950.50-12,999.28

Finding the Fourth Proportional to 22,425.26, 30,950.50 and 12,999.28

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Solution

The fourth proportional to 22,425.26, 30,950.50 and 12,999.28 is: 17,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.26 : 30,950.50 = 12,999.28 : x
  2. Step 2: Convert to fraction form
    22,425.26/30,950.50 = 12,999.28/x
  3. Step 3: Cross multiply
    22,425.26x = 30,950.50 × 12,999.28
  4. Step 4: Simplify right side
    22,425.26x = 402,334,215.64
  5. Step 5: Solve for x
    x = 402,334,215.64/22,425.26
  6. Step 6: Final answer
    x = 17,941.12

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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.