Home / 14,081.04-19,428.66-8,111.34

Finding the Fourth Proportional to 14,081.04, 19,428.66 and 8,111.34

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Solution

The fourth proportional to 14,081.04, 19,428.66 and 8,111.34 is: 11,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.04 : 19,428.66 = 8,111.34 : x
  2. Step 2: Convert to fraction form
    14,081.04/19,428.66 = 8,111.34/x
  3. Step 3: Cross multiply
    14,081.04x = 19,428.66 × 8,111.34
  4. Step 4: Simplify right side
    14,081.04x = 157,592,467.00
  5. Step 5: Solve for x
    x = 157,592,467.00/14,081.04
  6. Step 6: Final answer
    x = 11,191.82

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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.