Home / 19,012.08-26,245.17-12,649.95

Finding the Fourth Proportional to 19,012.08, 26,245.17 and 12,649.95

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Solution

The fourth proportional to 19,012.08, 26,245.17 and 12,649.95 is: 17,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.08 : 26,245.17 = 12,649.95 : x
  2. Step 2: Convert to fraction form
    19,012.08/26,245.17 = 12,649.95/x
  3. Step 3: Cross multiply
    19,012.08x = 26,245.17 × 12,649.95
  4. Step 4: Simplify right side
    19,012.08x = 332,000,088.24
  5. Step 5: Solve for x
    x = 332,000,088.24/19,012.08
  6. Step 6: Final answer
    x = 17,462.59

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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.