Home / 16,853.32-25,279.64-7,490.80

Finding the Fourth Proportional to 16,853.32, 25,279.64 and 7,490.80

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Solution

The fourth proportional to 16,853.32, 25,279.64 and 7,490.80 is: 11,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.32 : 25,279.64 = 7,490.80 : x
  2. Step 2: Convert to fraction form
    16,853.32/25,279.64 = 7,490.80/x
  3. Step 3: Cross multiply
    16,853.32x = 25,279.64 × 7,490.80
  4. Step 4: Simplify right side
    16,853.32x = 189,364,727.31
  5. Step 5: Solve for x
    x = 189,364,727.31/16,853.32
  6. Step 6: Final answer
    x = 11,236.05

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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.