Home / 25,525.76-38,288.62-9,954.32

Finding the Fourth Proportional to 25,525.76, 38,288.62 and 9,954.32

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Solution

The fourth proportional to 25,525.76, 38,288.62 and 9,954.32 is: 14,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,525.76 : 38,288.62 = 9,954.32 : x
  2. Step 2: Convert to fraction form
    25,525.76/38,288.62 = 9,954.32/x
  3. Step 3: Cross multiply
    25,525.76x = 38,288.62 × 9,954.32
  4. Step 4: Simplify right side
    25,525.76x = 381,137,175.84
  5. Step 5: Solve for x
    x = 381,137,175.84/25,525.76
  6. Step 6: Final answer
    x = 14,931.47

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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.