Home / 19,140.83-26,414.93-11,588.55

Finding the Fourth Proportional to 19,140.83, 26,414.93 and 11,588.55

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Solution

The fourth proportional to 19,140.83, 26,414.93 and 11,588.55 is: 15,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.83 : 26,414.93 = 11,588.55 : x
  2. Step 2: Convert to fraction form
    19,140.83/26,414.93 = 11,588.55/x
  3. Step 3: Cross multiply
    19,140.83x = 26,414.93 × 11,588.55
  4. Step 4: Simplify right side
    19,140.83x = 306,110,679.11
  5. Step 5: Solve for x
    x = 306,110,679.11/19,140.83
  6. Step 6: Final answer
    x = 15,992.55

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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.