Home / 14,115.34-19,477.76-8,148.93

Finding the Fourth Proportional to 14,115.34, 19,477.76 and 8,148.93

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Solution

The fourth proportional to 14,115.34, 19,477.76 and 8,148.93 is: 11,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.34 : 19,477.76 = 8,148.93 : x
  2. Step 2: Convert to fraction form
    14,115.34/19,477.76 = 8,148.93/x
  3. Step 3: Cross multiply
    14,115.34x = 19,477.76 × 8,148.93
  4. Step 4: Simplify right side
    14,115.34x = 158,722,902.80
  5. Step 5: Solve for x
    x = 158,722,902.80/14,115.34
  6. Step 6: Final answer
    x = 11,244.71

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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.