Home / 14,148.73-19,519.95-8,768.71

Finding the Fourth Proportional to 14,148.73, 19,519.95 and 8,768.71

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Solution

The fourth proportional to 14,148.73, 19,519.95 and 8,768.71 is: 12,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.73 : 19,519.95 = 8,768.71 : x
  2. Step 2: Convert to fraction form
    14,148.73/19,519.95 = 8,768.71/x
  3. Step 3: Cross multiply
    14,148.73x = 19,519.95 × 8,768.71
  4. Step 4: Simplify right side
    14,148.73x = 171,164,780.76
  5. Step 5: Solve for x
    x = 171,164,780.76/14,148.73
  6. Step 6: Final answer
    x = 12,097.54

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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.