Home / 15,788.22-23,566.74-13,919.92

Finding the Fourth Proportional to 15,788.22, 23,566.74 and 13,919.92

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Solution

The fourth proportional to 15,788.22, 23,566.74 and 13,919.92 is: 20,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.22 : 23,566.74 = 13,919.92 : x
  2. Step 2: Convert to fraction form
    15,788.22/23,566.74 = 13,919.92/x
  3. Step 3: Cross multiply
    15,788.22x = 23,566.74 × 13,919.92
  4. Step 4: Simplify right side
    15,788.22x = 328,047,135.46
  5. Step 5: Solve for x
    x = 328,047,135.46/15,788.22
  6. Step 6: Final answer
    x = 20,777.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.