Home / 14,760.84-20,397.78-11,641.80

Finding the Fourth Proportional to 14,760.84, 20,397.78 and 11,641.80

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Solution

The fourth proportional to 14,760.84, 20,397.78 and 11,641.80 is: 16,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.84 : 20,397.78 = 11,641.80 : x
  2. Step 2: Convert to fraction form
    14,760.84/20,397.78 = 11,641.80/x
  3. Step 3: Cross multiply
    14,760.84x = 20,397.78 × 11,641.80
  4. Step 4: Simplify right side
    14,760.84x = 237,466,875.20
  5. Step 5: Solve for x
    x = 237,466,875.20/14,760.84
  6. Step 6: Final answer
    x = 16,087.63

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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.