Home / 25,421.32-38,131.97-6,953.32

Finding the Fourth Proportional to 25,421.32, 38,131.97 and 6,953.32

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Solution

The fourth proportional to 25,421.32, 38,131.97 and 6,953.32 is: 10,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.32 : 38,131.97 = 6,953.32 : x
  2. Step 2: Convert to fraction form
    25,421.32/38,131.97 = 6,953.32/x
  3. Step 3: Cross multiply
    25,421.32x = 38,131.97 × 6,953.32
  4. Step 4: Simplify right side
    25,421.32x = 265,143,789.64
  5. Step 5: Solve for x
    x = 265,143,789.64/25,421.32
  6. Step 6: Final answer
    x = 10,429.98

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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.