Home / 16,818.64-25,165.66-10,528.54

Finding the Fourth Proportional to 16,818.64, 25,165.66 and 10,528.54

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Solution

The fourth proportional to 16,818.64, 25,165.66 and 10,528.54 is: 15,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.64 : 25,165.66 = 10,528.54 : x
  2. Step 2: Convert to fraction form
    16,818.64/25,165.66 = 10,528.54/x
  3. Step 3: Cross multiply
    16,818.64x = 25,165.66 × 10,528.54
  4. Step 4: Simplify right side
    16,818.64x = 264,957,657.94
  5. Step 5: Solve for x
    x = 264,957,657.94/16,818.64
  6. Step 6: Final answer
    x = 15,753.81

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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.