Home / 19,088.25-26,344.67-11,640.57

Finding the Fourth Proportional to 19,088.25, 26,344.67 and 11,640.57

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Solution

The fourth proportional to 19,088.25, 26,344.67 and 11,640.57 is: 16,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.25 : 26,344.67 = 11,640.57 : x
  2. Step 2: Convert to fraction form
    19,088.25/26,344.67 = 11,640.57/x
  3. Step 3: Cross multiply
    19,088.25x = 26,344.67 × 11,640.57
  4. Step 4: Simplify right side
    19,088.25x = 306,666,917.06
  5. Step 5: Solve for x
    x = 306,666,917.06/19,088.25
  6. Step 6: Final answer
    x = 16,065.74

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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.