Home / 14,935.94-20,609.18-8,561.36

Finding the Fourth Proportional to 14,935.94, 20,609.18 and 8,561.36

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Solution

The fourth proportional to 14,935.94, 20,609.18 and 8,561.36 is: 11,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.94 : 20,609.18 = 8,561.36 : x
  2. Step 2: Convert to fraction form
    14,935.94/20,609.18 = 8,561.36/x
  3. Step 3: Cross multiply
    14,935.94x = 20,609.18 × 8,561.36
  4. Step 4: Simplify right side
    14,935.94x = 176,442,506.24
  5. Step 5: Solve for x
    x = 176,442,506.24/14,935.94
  6. Step 6: Final answer
    x = 11,813.29

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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.