Home / 18,595.53-25,660.92-10,638.63

Finding the Fourth Proportional to 18,595.53, 25,660.92 and 10,638.63

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Solution

The fourth proportional to 18,595.53, 25,660.92 and 10,638.63 is: 14,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.53 : 25,660.92 = 10,638.63 : x
  2. Step 2: Convert to fraction form
    18,595.53/25,660.92 = 10,638.63/x
  3. Step 3: Cross multiply
    18,595.53x = 25,660.92 × 10,638.63
  4. Step 4: Simplify right side
    18,595.53x = 272,997,033.34
  5. Step 5: Solve for x
    x = 272,997,033.34/18,595.53
  6. Step 6: Final answer
    x = 14,680.79

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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.