Home / 14,475.05-19,975.71-8,506.85

Finding the Fourth Proportional to 14,475.05, 19,975.71 and 8,506.85

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Solution

The fourth proportional to 14,475.05, 19,975.71 and 8,506.85 is: 11,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.05 : 19,975.71 = 8,506.85 : x
  2. Step 2: Convert to fraction form
    14,475.05/19,975.71 = 8,506.85/x
  3. Step 3: Cross multiply
    14,475.05x = 19,975.71 × 8,506.85
  4. Step 4: Simplify right side
    14,475.05x = 169,930,368.61
  5. Step 5: Solve for x
    x = 169,930,368.61/14,475.05
  6. Step 6: Final answer
    x = 11,739.54

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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.