Home / 14,353.79-19,803.66-8,686.73

Finding the Fourth Proportional to 14,353.79, 19,803.66 and 8,686.73

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Solution

The fourth proportional to 14,353.79, 19,803.66 and 8,686.73 is: 11,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.79 : 19,803.66 = 8,686.73 : x
  2. Step 2: Convert to fraction form
    14,353.79/19,803.66 = 8,686.73/x
  3. Step 3: Cross multiply
    14,353.79x = 19,803.66 × 8,686.73
  4. Step 4: Simplify right side
    14,353.79x = 172,029,109.81
  5. Step 5: Solve for x
    x = 172,029,109.81/14,353.79
  6. Step 6: Final answer
    x = 11,984.92

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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.