Home / 19,210.47-26,513.05-11,255.86

Finding the Fourth Proportional to 19,210.47, 26,513.05 and 11,255.86

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Solution

The fourth proportional to 19,210.47, 26,513.05 and 11,255.86 is: 15,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.47 : 26,513.05 = 11,255.86 : x
  2. Step 2: Convert to fraction form
    19,210.47/26,513.05 = 11,255.86/x
  3. Step 3: Cross multiply
    19,210.47x = 26,513.05 × 11,255.86
  4. Step 4: Simplify right side
    19,210.47x = 298,427,122.69
  5. Step 5: Solve for x
    x = 298,427,122.69/19,210.47
  6. Step 6: Final answer
    x = 15,534.61

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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.