Home / 19,220.16-26,524.74-11,265.12

Finding the Fourth Proportional to 19,220.16, 26,524.74 and 11,265.12

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Solution

The fourth proportional to 19,220.16, 26,524.74 and 11,265.12 is: 15,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.16 : 26,524.74 = 11,265.12 : x
  2. Step 2: Convert to fraction form
    19,220.16/26,524.74 = 11,265.12/x
  3. Step 3: Cross multiply
    19,220.16x = 26,524.74 × 11,265.12
  4. Step 4: Simplify right side
    19,220.16x = 298,804,379.07
  5. Step 5: Solve for x
    x = 298,804,379.07/19,220.16
  6. Step 6: Final answer
    x = 15,546.40

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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.