Home / 25,429.61-38,137.58-10,635.47

Finding the Fourth Proportional to 25,429.61, 38,137.58 and 10,635.47

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Solution

The fourth proportional to 25,429.61, 38,137.58 and 10,635.47 is: 15,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.61 : 38,137.58 = 10,635.47 : x
  2. Step 2: Convert to fraction form
    25,429.61/38,137.58 = 10,635.47/x
  3. Step 3: Cross multiply
    25,429.61x = 38,137.58 × 10,635.47
  4. Step 4: Simplify right side
    25,429.61x = 405,610,844.10
  5. Step 5: Solve for x
    x = 405,610,844.10/25,429.61
  6. Step 6: Final answer
    x = 15,950.34

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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.