Home / 14,128.62-19,500.18-9,348.66

Finding the Fourth Proportional to 14,128.62, 19,500.18 and 9,348.66

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Solution

The fourth proportional to 14,128.62, 19,500.18 and 9,348.66 is: 12,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.62 : 19,500.18 = 9,348.66 : x
  2. Step 2: Convert to fraction form
    14,128.62/19,500.18 = 9,348.66/x
  3. Step 3: Cross multiply
    14,128.62x = 19,500.18 × 9,348.66
  4. Step 4: Simplify right side
    14,128.62x = 182,300,552.76
  5. Step 5: Solve for x
    x = 182,300,552.76/14,128.62
  6. Step 6: Final answer
    x = 12,902.93

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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.