Home / 14,147.48-19,523.68-7,859.84

Finding the Fourth Proportional to 14,147.48, 19,523.68 and 7,859.84

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Solution

The fourth proportional to 14,147.48, 19,523.68 and 7,859.84 is: 10,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.48 : 19,523.68 = 7,859.84 : x
  2. Step 2: Convert to fraction form
    14,147.48/19,523.68 = 7,859.84/x
  3. Step 3: Cross multiply
    14,147.48x = 19,523.68 × 7,859.84
  4. Step 4: Simplify right side
    14,147.48x = 153,453,001.01
  5. Step 5: Solve for x
    x = 153,453,001.01/14,147.48
  6. Step 6: Final answer
    x = 10,846.67

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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.