Home / 18,628.92-25,705.76-10,670.67

Finding the Fourth Proportional to 18,628.92, 25,705.76 and 10,670.67

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Solution

The fourth proportional to 18,628.92, 25,705.76 and 10,670.67 is: 14,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.92 : 25,705.76 = 10,670.67 : x
  2. Step 2: Convert to fraction form
    18,628.92/25,705.76 = 10,670.67/x
  3. Step 3: Cross multiply
    18,628.92x = 25,705.76 × 10,670.67
  4. Step 4: Simplify right side
    18,628.92x = 274,297,628.71
  5. Step 5: Solve for x
    x = 274,297,628.71/18,628.92
  6. Step 6: Final answer
    x = 14,724.29

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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.