Home / 14,927.80-22,390.80-6,605.38

Finding the Fourth Proportional to 14,927.80, 22,390.80 and 6,605.38

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Solution

The fourth proportional to 14,927.80, 22,390.80 and 6,605.38 is: 9,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.80 : 22,390.80 = 6,605.38 : x
  2. Step 2: Convert to fraction form
    14,927.80/22,390.80 = 6,605.38/x
  3. Step 3: Cross multiply
    14,927.80x = 22,390.80 × 6,605.38
  4. Step 4: Simplify right side
    14,927.80x = 147,899,742.50
  5. Step 5: Solve for x
    x = 147,899,742.50/14,927.80
  6. Step 6: Final answer
    x = 9,907.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.