Home / 14,521.45-20,045.81-12,294.97

Finding the Fourth Proportional to 14,521.45, 20,045.81 and 12,294.97

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Solution

The fourth proportional to 14,521.45, 20,045.81 and 12,294.97 is: 16,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.45 : 20,045.81 = 12,294.97 : x
  2. Step 2: Convert to fraction form
    14,521.45/20,045.81 = 12,294.97/x
  3. Step 3: Cross multiply
    14,521.45x = 20,045.81 × 12,294.97
  4. Step 4: Simplify right side
    14,521.45x = 246,462,632.58
  5. Step 5: Solve for x
    x = 246,462,632.58/14,521.45
  6. Step 6: Final answer
    x = 16,972.32

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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.