Home / 14,011.68-19,336.10-7,724.04

Finding the Fourth Proportional to 14,011.68, 19,336.10 and 7,724.04

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Solution

The fourth proportional to 14,011.68, 19,336.10 and 7,724.04 is: 10,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.68 : 19,336.10 = 7,724.04 : x
  2. Step 2: Convert to fraction form
    14,011.68/19,336.10 = 7,724.04/x
  3. Step 3: Cross multiply
    14,011.68x = 19,336.10 × 7,724.04
  4. Step 4: Simplify right side
    14,011.68x = 149,352,809.84
  5. Step 5: Solve for x
    x = 149,352,809.84/14,011.68
  6. Step 6: Final answer
    x = 10,659.17

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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.