Home / 16,818.72-25,208.64-9,801.12

Finding the Fourth Proportional to 16,818.72, 25,208.64 and 9,801.12

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Solution

The fourth proportional to 16,818.72, 25,208.64 and 9,801.12 is: 14,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.72 : 25,208.64 = 9,801.12 : x
  2. Step 2: Convert to fraction form
    16,818.72/25,208.64 = 9,801.12/x
  3. Step 3: Cross multiply
    16,818.72x = 25,208.64 × 9,801.12
  4. Step 4: Simplify right side
    16,818.72x = 247,072,905.68
  5. Step 5: Solve for x
    x = 247,072,905.68/16,818.72
  6. Step 6: Final answer
    x = 14,690.35

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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.