Home / 31,676.16-43,709.28-17,528.16

Finding the Fourth Proportional to 31,676.16, 43,709.28 and 17,528.16

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Solution

The fourth proportional to 31,676.16, 43,709.28 and 17,528.16 is: 24,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676.16 : 43,709.28 = 17,528.16 : x
  2. Step 2: Convert to fraction form
    31,676.16/43,709.28 = 17,528.16/x
  3. Step 3: Cross multiply
    31,676.16x = 43,709.28 × 17,528.16
  4. Step 4: Simplify right side
    31,676.16x = 766,143,253.32
  5. Step 5: Solve for x
    x = 766,143,253.32/31,676.16
  6. Step 6: Final answer
    x = 24,186.75

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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.