Home / 25,590.42-35,314.83-15,516.24

Finding the Fourth Proportional to 25,590.42, 35,314.83 and 15,516.24

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Solution

The fourth proportional to 25,590.42, 35,314.83 and 15,516.24 is: 21,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.42 : 35,314.83 = 15,516.24 : x
  2. Step 2: Convert to fraction form
    25,590.42/35,314.83 = 15,516.24/x
  3. Step 3: Cross multiply
    25,590.42x = 35,314.83 × 15,516.24
  4. Step 4: Simplify right side
    25,590.42x = 547,953,377.84
  5. Step 5: Solve for x
    x = 547,953,377.84/25,590.42
  6. Step 6: Final answer
    x = 21,412.44

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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.