Home / 14,377.62-19,836.53-8,088.78

Finding the Fourth Proportional to 14,377.62, 19,836.53 and 8,088.78

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Solution

The fourth proportional to 14,377.62, 19,836.53 and 8,088.78 is: 11,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.62 : 19,836.53 = 8,088.78 : x
  2. Step 2: Convert to fraction form
    14,377.62/19,836.53 = 8,088.78/x
  3. Step 3: Cross multiply
    14,377.62x = 19,836.53 × 8,088.78
  4. Step 4: Simplify right side
    14,377.62x = 160,453,297.76
  5. Step 5: Solve for x
    x = 160,453,297.76/14,377.62
  6. Step 6: Final answer
    x = 11,159.94

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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.