Home / 16,918.56-23,343.84-10,205.28

Finding the Fourth Proportional to 16,918.56, 23,343.84 and 10,205.28

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Solution

The fourth proportional to 16,918.56, 23,343.84 and 10,205.28 is: 14,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.56 : 23,343.84 = 10,205.28 : x
  2. Step 2: Convert to fraction form
    16,918.56/23,343.84 = 10,205.28/x
  3. Step 3: Cross multiply
    16,918.56x = 23,343.84 × 10,205.28
  4. Step 4: Simplify right side
    16,918.56x = 238,230,423.48
  5. Step 5: Solve for x
    x = 238,230,423.48/16,918.56
  6. Step 6: Final answer
    x = 14,081.01

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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.