Home / 14,899.08-20,561.04-8,185.13

Finding the Fourth Proportional to 14,899.08, 20,561.04 and 8,185.13

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Solution

The fourth proportional to 14,899.08, 20,561.04 and 8,185.13 is: 11,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.08 : 20,561.04 = 8,185.13 : x
  2. Step 2: Convert to fraction form
    14,899.08/20,561.04 = 8,185.13/x
  3. Step 3: Cross multiply
    14,899.08x = 20,561.04 × 8,185.13
  4. Step 4: Simplify right side
    14,899.08x = 168,294,682.53
  5. Step 5: Solve for x
    x = 168,294,682.53/14,899.08
  6. Step 6: Final answer
    x = 11,295.64

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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.