Home / 19,354.11-26,718.76-15,037.60

Finding the Fourth Proportional to 19,354.11, 26,718.76 and 15,037.60

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Solution

The fourth proportional to 19,354.11, 26,718.76 and 15,037.60 is: 20,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.11 : 26,718.76 = 15,037.60 : x
  2. Step 2: Convert to fraction form
    19,354.11/26,718.76 = 15,037.60/x
  3. Step 3: Cross multiply
    19,354.11x = 26,718.76 × 15,037.60
  4. Step 4: Simplify right side
    19,354.11x = 401,786,027.47
  5. Step 5: Solve for x
    x = 401,786,027.47/19,354.11
  6. Step 6: Final answer
    x = 20,759.72

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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.