Home / 16,950.40-23,390.98-9,876.67

Finding the Fourth Proportional to 16,950.40, 23,390.98 and 9,876.67

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Solution

The fourth proportional to 16,950.40, 23,390.98 and 9,876.67 is: 13,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,950.40 : 23,390.98 = 9,876.67 : x
  2. Step 2: Convert to fraction form
    16,950.40/23,390.98 = 9,876.67/x
  3. Step 3: Cross multiply
    16,950.40x = 23,390.98 × 9,876.67
  4. Step 4: Simplify right side
    16,950.40x = 231,024,907.27
  5. Step 5: Solve for x
    x = 231,024,907.27/16,950.40
  6. Step 6: Final answer
    x = 13,629.47

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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.