Home / 16,935.19-23,374.32-9,865.72

Finding the Fourth Proportional to 16,935.19, 23,374.32 and 9,865.72

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Solution

The fourth proportional to 16,935.19, 23,374.32 and 9,865.72 is: 13,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.19 : 23,374.32 = 9,865.72 : x
  2. Step 2: Convert to fraction form
    16,935.19/23,374.32 = 9,865.72/x
  3. Step 3: Cross multiply
    16,935.19x = 23,374.32 × 9,865.72
  4. Step 4: Simplify right side
    16,935.19x = 230,604,496.31
  5. Step 5: Solve for x
    x = 230,604,496.31/16,935.19
  6. Step 6: Final answer
    x = 13,616.88

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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.