Home / 19,317.44-26,659.76-10,819.43

Finding the Fourth Proportional to 19,317.44, 26,659.76 and 10,819.43

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Solution

The fourth proportional to 19,317.44, 26,659.76 and 10,819.43 is: 14,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.44 : 26,659.76 = 10,819.43 : x
  2. Step 2: Convert to fraction form
    19,317.44/26,659.76 = 10,819.43/x
  3. Step 3: Cross multiply
    19,317.44x = 26,659.76 × 10,819.43
  4. Step 4: Simplify right side
    19,317.44x = 288,443,407.14
  5. Step 5: Solve for x
    x = 288,443,407.14/19,317.44
  6. Step 6: Final answer
    x = 14,931.76

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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.