Home / 14,113.99-19,478.91-8,147.26

Finding the Fourth Proportional to 14,113.99, 19,478.91 and 8,147.26

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Solution

The fourth proportional to 14,113.99, 19,478.91 and 8,147.26 is: 11,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.99 : 19,478.91 = 8,147.26 : x
  2. Step 2: Convert to fraction form
    14,113.99/19,478.91 = 8,147.26/x
  3. Step 3: Cross multiply
    14,113.99x = 19,478.91 × 8,147.26
  4. Step 4: Simplify right side
    14,113.99x = 158,699,744.29
  5. Step 5: Solve for x
    x = 158,699,744.29/14,113.99
  6. Step 6: Final answer
    x = 11,244.14

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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.