Home / 19,037.28-26,272.31-10,653.78

Finding the Fourth Proportional to 19,037.28, 26,272.31 and 10,653.78

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Solution

The fourth proportional to 19,037.28, 26,272.31 and 10,653.78 is: 14,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.28 : 26,272.31 = 10,653.78 : x
  2. Step 2: Convert to fraction form
    19,037.28/26,272.31 = 10,653.78/x
  3. Step 3: Cross multiply
    19,037.28x = 26,272.31 × 10,653.78
  4. Step 4: Simplify right side
    19,037.28x = 279,899,357.56
  5. Step 5: Solve for x
    x = 279,899,357.56/19,037.28
  6. Step 6: Final answer
    x = 14,702.70

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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.