Home / 16,853.90-25,279.90-5,167.08

Finding the Fourth Proportional to 16,853.90, 25,279.90 and 5,167.08

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Solution

The fourth proportional to 16,853.90, 25,279.90 and 5,167.08 is: 7,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.90 : 25,279.90 = 5,167.08 : x
  2. Step 2: Convert to fraction form
    16,853.90/25,279.90 = 5,167.08/x
  3. Step 3: Cross multiply
    16,853.90x = 25,279.90 × 5,167.08
  4. Step 4: Simplify right side
    16,853.90x = 130,623,252.77
  5. Step 5: Solve for x
    x = 130,623,252.77/16,853.90
  6. Step 6: Final answer
    x = 7,750.33

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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.