Home / 19,688.94-27,169.74-10,736.46

Finding the Fourth Proportional to 19,688.94, 27,169.74 and 10,736.46

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Solution

The fourth proportional to 19,688.94, 27,169.74 and 10,736.46 is: 14,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.94 : 27,169.74 = 10,736.46 : x
  2. Step 2: Convert to fraction form
    19,688.94/27,169.74 = 10,736.46/x
  3. Step 3: Cross multiply
    19,688.94x = 27,169.74 × 10,736.46
  4. Step 4: Simplify right side
    19,688.94x = 291,706,826.72
  5. Step 5: Solve for x
    x = 291,706,826.72/19,688.94
  6. Step 6: Final answer
    x = 14,815.77

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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.