Home / 19,514.02-26,922.10-12,803.38

Finding the Fourth Proportional to 19,514.02, 26,922.10 and 12,803.38

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Solution

The fourth proportional to 19,514.02, 26,922.10 and 12,803.38 is: 17,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.02 : 26,922.10 = 12,803.38 : x
  2. Step 2: Convert to fraction form
    19,514.02/26,922.10 = 12,803.38/x
  3. Step 3: Cross multiply
    19,514.02x = 26,922.10 × 12,803.38
  4. Step 4: Simplify right side
    19,514.02x = 344,693,876.70
  5. Step 5: Solve for x
    x = 344,693,876.70/19,514.02
  6. Step 6: Final answer
    x = 17,663.91

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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.