Home / 19,592.35-27,037.36-10,639.78

Finding the Fourth Proportional to 19,592.35, 27,037.36 and 10,639.78

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Solution

The fourth proportional to 19,592.35, 27,037.36 and 10,639.78 is: 14,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.35 : 27,037.36 = 10,639.78 : x
  2. Step 2: Convert to fraction form
    19,592.35/27,037.36 = 10,639.78/x
  3. Step 3: Cross multiply
    19,592.35x = 27,037.36 × 10,639.78
  4. Step 4: Simplify right side
    19,592.35x = 287,671,562.18
  5. Step 5: Solve for x
    x = 287,671,562.18/19,592.35
  6. Step 6: Final answer
    x = 14,682.85

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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.