Home / 14,879.99-20,534.06-9,574.79

Finding the Fourth Proportional to 14,879.99, 20,534.06 and 9,574.79

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Solution

The fourth proportional to 14,879.99, 20,534.06 and 9,574.79 is: 13,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.99 : 20,534.06 = 9,574.79 : x
  2. Step 2: Convert to fraction form
    14,879.99/20,534.06 = 9,574.79/x
  3. Step 3: Cross multiply
    14,879.99x = 20,534.06 × 9,574.79
  4. Step 4: Simplify right side
    14,879.99x = 196,609,161.80
  5. Step 5: Solve for x
    x = 196,609,161.80/14,879.99
  6. Step 6: Final answer
    x = 13,212.99

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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.