Home / 16,129.09-22,242.87-10,668.58

Finding the Fourth Proportional to 16,129.09, 22,242.87 and 10,668.58

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Solution

The fourth proportional to 16,129.09, 22,242.87 and 10,668.58 is: 14,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.09 : 22,242.87 = 10,668.58 : x
  2. Step 2: Convert to fraction form
    16,129.09/22,242.87 = 10,668.58/x
  3. Step 3: Cross multiply
    16,129.09x = 22,242.87 × 10,668.58
  4. Step 4: Simplify right side
    16,129.09x = 237,299,782.42
  5. Step 5: Solve for x
    x = 237,299,782.42/16,129.09
  6. Step 6: Final answer
    x = 14,712.53

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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.