Home / 25,431.32-38,142.57-6,711.51

Finding the Fourth Proportional to 25,431.32, 38,142.57 and 6,711.51

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Solution

The fourth proportional to 25,431.32, 38,142.57 and 6,711.51 is: 10,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.32 : 38,142.57 = 6,711.51 : x
  2. Step 2: Convert to fraction form
    25,431.32/38,142.57 = 6,711.51/x
  3. Step 3: Cross multiply
    25,431.32x = 38,142.57 × 6,711.51
  4. Step 4: Simplify right side
    25,431.32x = 255,994,174.76
  5. Step 5: Solve for x
    x = 255,994,174.76/25,431.32
  6. Step 6: Final answer
    x = 10,066.10

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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.