Home / 14,207.76-21,317.78-7,626.25

Finding the Fourth Proportional to 14,207.76, 21,317.78 and 7,626.25

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Solution

The fourth proportional to 14,207.76, 21,317.78 and 7,626.25 is: 11,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.76 : 21,317.78 = 7,626.25 : x
  2. Step 2: Convert to fraction form
    14,207.76/21,317.78 = 7,626.25/x
  3. Step 3: Cross multiply
    14,207.76x = 21,317.78 × 7,626.25
  4. Step 4: Simplify right side
    14,207.76x = 162,574,719.73
  5. Step 5: Solve for x
    x = 162,574,719.73/14,207.76
  6. Step 6: Final answer
    x = 11,442.67

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1.5x scale

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.