Home / 30,586.70-45,882.78-11,866.28

Finding the Fourth Proportional to 30,586.70, 45,882.78 and 11,866.28

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Solution

The fourth proportional to 30,586.70, 45,882.78 and 11,866.28 is: 17,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.70 : 45,882.78 = 11,866.28 : x
  2. Step 2: Convert to fraction form
    30,586.70/45,882.78 = 11,866.28/x
  3. Step 3: Cross multiply
    30,586.70x = 45,882.78 × 11,866.28
  4. Step 4: Simplify right side
    30,586.70x = 544,457,685.24
  5. Step 5: Solve for x
    x = 544,457,685.24/30,586.70
  6. Step 6: Final answer
    x = 17,800.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.