Home / 18,628.68-25,705.63-10,671.24

Finding the Fourth Proportional to 18,628.68, 25,705.63 and 10,671.24

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Solution

The fourth proportional to 18,628.68, 25,705.63 and 10,671.24 is: 14,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.68 : 25,705.63 = 10,671.24 : x
  2. Step 2: Convert to fraction form
    18,628.68/25,705.63 = 10,671.24/x
  3. Step 3: Cross multiply
    18,628.68x = 25,705.63 × 10,671.24
  4. Step 4: Simplify right side
    18,628.68x = 274,310,947.08
  5. Step 5: Solve for x
    x = 274,310,947.08/18,628.68
  6. Step 6: Final answer
    x = 14,725.20

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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.