Home / 25,613.12-35,064.40-25,440.32

Finding the Fourth Proportional to 25,613.12, 35,064.40 and 25,440.32

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Solution

The fourth proportional to 25,613.12, 35,064.40 and 25,440.32 is: 34,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.12 : 35,064.40 = 25,440.32 : x
  2. Step 2: Convert to fraction form
    25,613.12/35,064.40 = 25,440.32/x
  3. Step 3: Cross multiply
    25,613.12x = 35,064.40 × 25,440.32
  4. Step 4: Simplify right side
    25,613.12x = 892,049,556.61
  5. Step 5: Solve for x
    x = 892,049,556.61/25,613.12
  6. Step 6: Final answer
    x = 34,827.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.