Home / 22,619.08-31,211.74-12,544.98

Finding the Fourth Proportional to 22,619.08, 31,211.74 and 12,544.98

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Solution

The fourth proportional to 22,619.08, 31,211.74 and 12,544.98 is: 17,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.08 : 31,211.74 = 12,544.98 : x
  2. Step 2: Convert to fraction form
    22,619.08/31,211.74 = 12,544.98/x
  3. Step 3: Cross multiply
    22,619.08x = 31,211.74 × 12,544.98
  4. Step 4: Simplify right side
    22,619.08x = 391,550,654.07
  5. Step 5: Solve for x
    x = 391,550,654.07/22,619.08
  6. Step 6: Final answer
    x = 17,310.64

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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.