Home / 14,531.99-20,054.81-8,563.91

Finding the Fourth Proportional to 14,531.99, 20,054.81 and 8,563.91

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Solution

The fourth proportional to 14,531.99, 20,054.81 and 8,563.91 is: 11,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.99 : 20,054.81 = 8,563.91 : x
  2. Step 2: Convert to fraction form
    14,531.99/20,054.81 = 8,563.91/x
  3. Step 3: Cross multiply
    14,531.99x = 20,054.81 × 8,563.91
  4. Step 4: Simplify right side
    14,531.99x = 171,747,545.09
  5. Step 5: Solve for x
    x = 171,747,545.09/14,531.99
  6. Step 6: Final answer
    x = 11,818.58

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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.