Home / 16,979.19-23,431.89-10,263.51

Finding the Fourth Proportional to 16,979.19, 23,431.89 and 10,263.51

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Solution

The fourth proportional to 16,979.19, 23,431.89 and 10,263.51 is: 14,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.19 : 23,431.89 = 10,263.51 : x
  2. Step 2: Convert to fraction form
    16,979.19/23,431.89 = 10,263.51/x
  3. Step 3: Cross multiply
    16,979.19x = 23,431.89 × 10,263.51
  4. Step 4: Simplify right side
    16,979.19x = 240,493,437.33
  5. Step 5: Solve for x
    x = 240,493,437.33/16,979.19
  6. Step 6: Final answer
    x = 14,164.01

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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.