Home / 16,853.10-25,279.65-6,991.35

Finding the Fourth Proportional to 16,853.10, 25,279.65 and 6,991.35

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Solution

The fourth proportional to 16,853.10, 25,279.65 and 6,991.35 is: 10,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.10 : 25,279.65 = 6,991.35 : x
  2. Step 2: Convert to fraction form
    16,853.10/25,279.65 = 6,991.35/x
  3. Step 3: Cross multiply
    16,853.10x = 25,279.65 × 6,991.35
  4. Step 4: Simplify right side
    16,853.10x = 176,738,881.03
  5. Step 5: Solve for x
    x = 176,738,881.03/16,853.10
  6. Step 6: Final answer
    x = 10,487.03

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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.