Home / 14,080.81-19,433.70-8,031.06

Finding the Fourth Proportional to 14,080.81, 19,433.70 and 8,031.06

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Solution

The fourth proportional to 14,080.81, 19,433.70 and 8,031.06 is: 11,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.81 : 19,433.70 = 8,031.06 : x
  2. Step 2: Convert to fraction form
    14,080.81/19,433.70 = 8,031.06/x
  3. Step 3: Cross multiply
    14,080.81x = 19,433.70 × 8,031.06
  4. Step 4: Simplify right side
    14,080.81x = 156,073,210.72
  5. Step 5: Solve for x
    x = 156,073,210.72/14,080.81
  6. Step 6: Final answer
    x = 11,084.11

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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.