Home / 18,711.24-25,821.27-10,213.50

Finding the Fourth Proportional to 18,711.24, 25,821.27 and 10,213.50

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Solution

The fourth proportional to 18,711.24, 25,821.27 and 10,213.50 is: 14,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.24 : 25,821.27 = 10,213.50 : x
  2. Step 2: Convert to fraction form
    18,711.24/25,821.27 = 10,213.50/x
  3. Step 3: Cross multiply
    18,711.24x = 25,821.27 × 10,213.50
  4. Step 4: Simplify right side
    18,711.24x = 263,725,541.15
  5. Step 5: Solve for x
    x = 263,725,541.15/18,711.24
  6. Step 6: Final answer
    x = 14,094.50

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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.