Home / 18,586.28-25,649.16-10,628.84

Finding the Fourth Proportional to 18,586.28, 25,649.16 and 10,628.84

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Solution

The fourth proportional to 18,586.28, 25,649.16 and 10,628.84 is: 14,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.28 : 25,649.16 = 10,628.84 : x
  2. Step 2: Convert to fraction form
    18,586.28/25,649.16 = 10,628.84/x
  3. Step 3: Cross multiply
    18,586.28x = 25,649.16 × 10,628.84
  4. Step 4: Simplify right side
    18,586.28x = 272,620,817.77
  5. Step 5: Solve for x
    x = 272,620,817.77/18,586.28
  6. Step 6: Final answer
    x = 14,667.85

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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.