Home / 18,723.68-25,838.85-10,656.94

Finding the Fourth Proportional to 18,723.68, 25,838.85 and 10,656.94

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Solution

The fourth proportional to 18,723.68, 25,838.85 and 10,656.94 is: 14,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.68 : 25,838.85 = 10,656.94 : x
  2. Step 2: Convert to fraction form
    18,723.68/25,838.85 = 10,656.94/x
  3. Step 3: Cross multiply
    18,723.68x = 25,838.85 × 10,656.94
  4. Step 4: Simplify right side
    18,723.68x = 275,362,918.28
  5. Step 5: Solve for x
    x = 275,362,918.28/18,723.68
  6. Step 6: Final answer
    x = 14,706.67

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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.