Home / 16,858.40-25,316.40-11,040.80

Finding the Fourth Proportional to 16,858.40, 25,316.40 and 11,040.80

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Solution

The fourth proportional to 16,858.40, 25,316.40 and 11,040.80 is: 16,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.40 : 25,316.40 = 11,040.80 : x
  2. Step 2: Convert to fraction form
    16,858.40/25,316.40 = 11,040.80/x
  3. Step 3: Cross multiply
    16,858.40x = 25,316.40 × 11,040.80
  4. Step 4: Simplify right side
    16,858.40x = 279,513,309.12
  5. Step 5: Solve for x
    x = 279,513,309.12/16,858.40
  6. Step 6: Final answer
    x = 16,580.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.