Home / 19,188.55-26,480.17-10,805.11

Finding the Fourth Proportional to 19,188.55, 26,480.17 and 10,805.11

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Solution

The fourth proportional to 19,188.55, 26,480.17 and 10,805.11 is: 14,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.55 : 26,480.17 = 10,805.11 : x
  2. Step 2: Convert to fraction form
    19,188.55/26,480.17 = 10,805.11/x
  3. Step 3: Cross multiply
    19,188.55x = 26,480.17 × 10,805.11
  4. Step 4: Simplify right side
    19,188.55x = 286,121,149.67
  5. Step 5: Solve for x
    x = 286,121,149.67/19,188.55
  6. Step 6: Final answer
    x = 14,911.04

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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.