Home / 19,051.20-26,284.26-11,091.72

Finding the Fourth Proportional to 19,051.20, 26,284.26 and 11,091.72

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Solution

The fourth proportional to 19,051.20, 26,284.26 and 11,091.72 is: 15,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.20 : 26,284.26 = 11,091.72 : x
  2. Step 2: Convert to fraction form
    19,051.20/26,284.26 = 11,091.72/x
  3. Step 3: Cross multiply
    19,051.20x = 26,284.26 × 11,091.72
  4. Step 4: Simplify right side
    19,051.20x = 291,537,652.33
  5. Step 5: Solve for x
    x = 291,537,652.33/19,051.20
  6. Step 6: Final answer
    x = 15,302.85

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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.