Home / 14,568.84-20,103.45-8,904.98

Finding the Fourth Proportional to 14,568.84, 20,103.45 and 8,904.98

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Solution

The fourth proportional to 14,568.84, 20,103.45 and 8,904.98 is: 12,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.84 : 20,103.45 = 8,904.98 : x
  2. Step 2: Convert to fraction form
    14,568.84/20,103.45 = 8,904.98/x
  3. Step 3: Cross multiply
    14,568.84x = 20,103.45 × 8,904.98
  4. Step 4: Simplify right side
    14,568.84x = 179,020,719.66
  5. Step 5: Solve for x
    x = 179,020,719.66/14,568.84
  6. Step 6: Final answer
    x = 12,287.92

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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.