Home / 25,674.84-35,431.38-15,064.68

Finding the Fourth Proportional to 25,674.84, 35,431.38 and 15,064.68

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Solution

The fourth proportional to 25,674.84, 35,431.38 and 15,064.68 is: 20,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.84 : 35,431.38 = 15,064.68 : x
  2. Step 2: Convert to fraction form
    25,674.84/35,431.38 = 15,064.68/x
  3. Step 3: Cross multiply
    25,674.84x = 35,431.38 × 15,064.68
  4. Step 4: Simplify right side
    25,674.84x = 533,762,401.66
  5. Step 5: Solve for x
    x = 533,762,401.66/25,674.84
  6. Step 6: Final answer
    x = 20,789.32

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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.