Home / 26,290.21-36,280.45-16,858.75

Finding the Fourth Proportional to 26,290.21, 36,280.45 and 16,858.75

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Solution

The fourth proportional to 26,290.21, 36,280.45 and 16,858.75 is: 23,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.21 : 36,280.45 = 16,858.75 : x
  2. Step 2: Convert to fraction form
    26,290.21/36,280.45 = 16,858.75/x
  3. Step 3: Cross multiply
    26,290.21x = 36,280.45 × 16,858.75
  4. Step 4: Simplify right side
    26,290.21x = 611,643,036.44
  5. Step 5: Solve for x
    x = 611,643,036.44/26,290.21
  6. Step 6: Final answer
    x = 23,265.05

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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.