Home / 16,788.81-23,179.32-10,422.08

Finding the Fourth Proportional to 16,788.81, 23,179.32 and 10,422.08

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Solution

The fourth proportional to 16,788.81, 23,179.32 and 10,422.08 is: 14,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.81 : 23,179.32 = 10,422.08 : x
  2. Step 2: Convert to fraction form
    16,788.81/23,179.32 = 10,422.08/x
  3. Step 3: Cross multiply
    16,788.81x = 23,179.32 × 10,422.08
  4. Step 4: Simplify right side
    16,788.81x = 241,576,611.49
  5. Step 5: Solve for x
    x = 241,576,611.49/16,788.81
  6. Step 6: Final answer
    x = 14,389.14

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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.