Home / 20,533.24-30,812.10-8,846.20

Finding the Fourth Proportional to 20,533.24, 30,812.10 and 8,846.20

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Solution

The fourth proportional to 20,533.24, 30,812.10 and 8,846.20 is: 13,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.24 : 30,812.10 = 8,846.20 : x
  2. Step 2: Convert to fraction form
    20,533.24/30,812.10 = 8,846.20/x
  3. Step 3: Cross multiply
    20,533.24x = 30,812.10 × 8,846.20
  4. Step 4: Simplify right side
    20,533.24x = 272,569,999.02
  5. Step 5: Solve for x
    x = 272,569,999.02/20,533.24
  6. Step 6: Final answer
    x = 13,274.57

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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.