Home / 19,434.64-26,819.68-11,051.20

Finding the Fourth Proportional to 19,434.64, 26,819.68 and 11,051.20

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Solution

The fourth proportional to 19,434.64, 26,819.68 and 11,051.20 is: 15,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.64 : 26,819.68 = 11,051.20 : x
  2. Step 2: Convert to fraction form
    19,434.64/26,819.68 = 11,051.20/x
  3. Step 3: Cross multiply
    19,434.64x = 26,819.68 × 11,051.20
  4. Step 4: Simplify right side
    19,434.64x = 296,389,647.62
  5. Step 5: Solve for x
    x = 296,389,647.62/19,434.64
  6. Step 6: Final answer
    x = 15,250.59

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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.