Home / 14,011.67-19,336.11-7,724.05

Finding the Fourth Proportional to 14,011.67, 19,336.11 and 7,724.05

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Solution

The fourth proportional to 14,011.67, 19,336.11 and 7,724.05 is: 10,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.67 : 19,336.11 = 7,724.05 : x
  2. Step 2: Convert to fraction form
    14,011.67/19,336.11 = 7,724.05/x
  3. Step 3: Cross multiply
    14,011.67x = 19,336.11 × 7,724.05
  4. Step 4: Simplify right side
    14,011.67x = 149,353,080.45
  5. Step 5: Solve for x
    x = 149,353,080.45/14,011.67
  6. Step 6: Final answer
    x = 10,659.19

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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.