Home / 15,035.46-20,758.35-9,660.07

Finding the Fourth Proportional to 15,035.46, 20,758.35 and 9,660.07

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Solution

The fourth proportional to 15,035.46, 20,758.35 and 9,660.07 is: 13,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.46 : 20,758.35 = 9,660.07 : x
  2. Step 2: Convert to fraction form
    15,035.46/20,758.35 = 9,660.07/x
  3. Step 3: Cross multiply
    15,035.46x = 20,758.35 × 9,660.07
  4. Step 4: Simplify right side
    15,035.46x = 200,527,114.08
  5. Step 5: Solve for x
    x = 200,527,114.08/15,035.46
  6. Step 6: Final answer
    x = 13,336.95

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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.