Home / 14,115.23-21,168.51-9,760.67

Finding the Fourth Proportional to 14,115.23, 21,168.51 and 9,760.67

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Solution

The fourth proportional to 14,115.23, 21,168.51 and 9,760.67 is: 14,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.23 : 21,168.51 = 9,760.67 : x
  2. Step 2: Convert to fraction form
    14,115.23/21,168.51 = 9,760.67/x
  3. Step 3: Cross multiply
    14,115.23x = 21,168.51 × 9,760.67
  4. Step 4: Simplify right side
    14,115.23x = 206,618,840.50
  5. Step 5: Solve for x
    x = 206,618,840.50/14,115.23
  6. Step 6: Final answer
    x = 14,638.01

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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.