Home / 14,799.82-20,423.86-8,085.32

Finding the Fourth Proportional to 14,799.82, 20,423.86 and 8,085.32

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Solution

The fourth proportional to 14,799.82, 20,423.86 and 8,085.32 is: 11,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.82 : 20,423.86 = 8,085.32 : x
  2. Step 2: Convert to fraction form
    14,799.82/20,423.86 = 8,085.32/x
  3. Step 3: Cross multiply
    14,799.82x = 20,423.86 × 8,085.32
  4. Step 4: Simplify right side
    14,799.82x = 165,133,443.74
  5. Step 5: Solve for x
    x = 165,133,443.74/14,799.82
  6. Step 6: Final answer
    x = 11,157.80

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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.