Home / 19,143.57-26,418.51-10,646.04

Finding the Fourth Proportional to 19,143.57, 26,418.51 and 10,646.04

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Solution

The fourth proportional to 19,143.57, 26,418.51 and 10,646.04 is: 14,691.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.57 : 26,418.51 = 10,646.04 : x
  2. Step 2: Convert to fraction form
    19,143.57/26,418.51 = 10,646.04/x
  3. Step 3: Cross multiply
    19,143.57x = 26,418.51 × 10,646.04
  4. Step 4: Simplify right side
    19,143.57x = 281,252,514.20
  5. Step 5: Solve for x
    x = 281,252,514.20/19,143.57
  6. Step 6: Final answer
    x = 14,691.75

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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.