Home / 14,040.59-21,050.34-8,492.79

Finding the Fourth Proportional to 14,040.59, 21,050.34 and 8,492.79

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Solution

The fourth proportional to 14,040.59, 21,050.34 and 8,492.79 is: 12,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.59 : 21,050.34 = 8,492.79 : x
  2. Step 2: Convert to fraction form
    14,040.59/21,050.34 = 8,492.79/x
  3. Step 3: Cross multiply
    14,040.59x = 21,050.34 × 8,492.79
  4. Step 4: Simplify right side
    14,040.59x = 178,776,117.05
  5. Step 5: Solve for x
    x = 178,776,117.05/14,040.59
  6. Step 6: Final answer
    x = 12,732.81

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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.