Home / 25,613.73-38,420.55-10,020.42

Finding the Fourth Proportional to 25,613.73, 38,420.55 and 10,020.42

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Solution

The fourth proportional to 25,613.73, 38,420.55 and 10,020.42 is: 15,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.73 : 38,420.55 = 10,020.42 : x
  2. Step 2: Convert to fraction form
    25,613.73/38,420.55 = 10,020.42/x
  3. Step 3: Cross multiply
    25,613.73x = 38,420.55 × 10,020.42
  4. Step 4: Simplify right side
    25,613.73x = 384,990,047.63
  5. Step 5: Solve for x
    x = 384,990,047.63/25,613.73
  6. Step 6: Final answer
    x = 15,030.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.