Home / 18,543.21-25,590.29-10,159.71

Finding the Fourth Proportional to 18,543.21, 25,590.29 and 10,159.71

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Solution

The fourth proportional to 18,543.21, 25,590.29 and 10,159.71 is: 14,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.21 : 25,590.29 = 10,159.71 : x
  2. Step 2: Convert to fraction form
    18,543.21/25,590.29 = 10,159.71/x
  3. Step 3: Cross multiply
    18,543.21x = 25,590.29 × 10,159.71
  4. Step 4: Simplify right side
    18,543.21x = 259,989,874.42
  5. Step 5: Solve for x
    x = 259,989,874.42/18,543.21
  6. Step 6: Final answer
    x = 14,020.76

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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.