Home / 22,650.06-31,257.27-12,578.67

Finding the Fourth Proportional to 22,650.06, 31,257.27 and 12,578.67

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Solution

The fourth proportional to 22,650.06, 31,257.27 and 12,578.67 is: 17,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.06 : 31,257.27 = 12,578.67 : x
  2. Step 2: Convert to fraction form
    22,650.06/31,257.27 = 12,578.67/x
  3. Step 3: Cross multiply
    22,650.06x = 31,257.27 × 12,578.67
  4. Step 4: Simplify right side
    22,650.06x = 393,174,800.94
  5. Step 5: Solve for x
    x = 393,174,800.94/22,650.06
  6. Step 6: Final answer
    x = 17,358.67

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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.