Home / 16,430.58-22,668.66-9,351.99

Finding the Fourth Proportional to 16,430.58, 22,668.66 and 9,351.99

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Solution

The fourth proportional to 16,430.58, 22,668.66 and 9,351.99 is: 12,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,430.58 : 22,668.66 = 9,351.99 : x
  2. Step 2: Convert to fraction form
    16,430.58/22,668.66 = 9,351.99/x
  3. Step 3: Cross multiply
    16,430.58x = 22,668.66 × 9,351.99
  4. Step 4: Simplify right side
    16,430.58x = 211,997,081.63
  5. Step 5: Solve for x
    x = 211,997,081.63/16,430.58
  6. Step 6: Final answer
    x = 12,902.59

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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.