Home / 19,194.08-26,489.76-11,640.16

Finding the Fourth Proportional to 19,194.08, 26,489.76 and 11,640.16

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Solution

The fourth proportional to 19,194.08, 26,489.76 and 11,640.16 is: 16,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.08 : 26,489.76 = 11,640.16 : x
  2. Step 2: Convert to fraction form
    19,194.08/26,489.76 = 11,640.16/x
  3. Step 3: Cross multiply
    19,194.08x = 26,489.76 × 11,640.16
  4. Step 4: Simplify right side
    19,194.08x = 308,345,044.76
  5. Step 5: Solve for x
    x = 308,345,044.76/19,194.08
  6. Step 6: Final answer
    x = 16,064.59

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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.