Home / 25,635.42-38,455.53-9,620.67

Finding the Fourth Proportional to 25,635.42, 38,455.53 and 9,620.67

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Solution

The fourth proportional to 25,635.42, 38,455.53 and 9,620.67 is: 14,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.42 : 38,455.53 = 9,620.67 : x
  2. Step 2: Convert to fraction form
    25,635.42/38,455.53 = 9,620.67/x
  3. Step 3: Cross multiply
    25,635.42x = 38,455.53 × 9,620.67
  4. Step 4: Simplify right side
    25,635.42x = 369,967,963.81
  5. Step 5: Solve for x
    x = 369,967,963.81/25,635.42
  6. Step 6: Final answer
    x = 14,431.91

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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.