Home / 12,668.91-19,001.45-4,876.59

Finding the Fourth Proportional to 12,668.91, 19,001.45 and 4,876.59

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Solution

The fourth proportional to 12,668.91, 19,001.45 and 4,876.59 is: 7,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.91 : 19,001.45 = 4,876.59 : x
  2. Step 2: Convert to fraction form
    12,668.91/19,001.45 = 4,876.59/x
  3. Step 3: Cross multiply
    12,668.91x = 19,001.45 × 4,876.59
  4. Step 4: Simplify right side
    12,668.91x = 92,662,256.67
  5. Step 5: Solve for x
    x = 92,662,256.67/12,668.91
  6. Step 6: Final answer
    x = 7,314.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.