Home / 14,410.26-19,888.88-8,122.64

Finding the Fourth Proportional to 14,410.26, 19,888.88 and 8,122.64

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Solution

The fourth proportional to 14,410.26, 19,888.88 and 8,122.64 is: 11,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.26 : 19,888.88 = 8,122.64 : x
  2. Step 2: Convert to fraction form
    14,410.26/19,888.88 = 8,122.64/x
  3. Step 3: Cross multiply
    14,410.26x = 19,888.88 × 8,122.64
  4. Step 4: Simplify right side
    14,410.26x = 161,550,072.19
  5. Step 5: Solve for x
    x = 161,550,072.19/14,410.26
  6. Step 6: Final answer
    x = 11,210.77

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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.