Home / 14,785.02-22,170.15-4,920.84

Finding the Fourth Proportional to 14,785.02, 22,170.15 and 4,920.84

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Solution

The fourth proportional to 14,785.02, 22,170.15 and 4,920.84 is: 7,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.02 : 22,170.15 = 4,920.84 : x
  2. Step 2: Convert to fraction form
    14,785.02/22,170.15 = 4,920.84/x
  3. Step 3: Cross multiply
    14,785.02x = 22,170.15 × 4,920.84
  4. Step 4: Simplify right side
    14,785.02x = 109,095,760.93
  5. Step 5: Solve for x
    x = 109,095,760.93/14,785.02
  6. Step 6: Final answer
    x = 7,378.80

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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.