Home / 14,770.07-20,382.08-8,055.57

Finding the Fourth Proportional to 14,770.07, 20,382.08 and 8,055.57

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Solution

The fourth proportional to 14,770.07, 20,382.08 and 8,055.57 is: 11,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.07 : 20,382.08 = 8,055.57 : x
  2. Step 2: Convert to fraction form
    14,770.07/20,382.08 = 8,055.57/x
  3. Step 3: Cross multiply
    14,770.07x = 20,382.08 × 8,055.57
  4. Step 4: Simplify right side
    14,770.07x = 164,189,231.91
  5. Step 5: Solve for x
    x = 164,189,231.91/14,770.07
  6. Step 6: Final answer
    x = 11,116.35

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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.