Home / 22,668.81-31,274.00-13,106.94

Finding the Fourth Proportional to 22,668.81, 31,274.00 and 13,106.94

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Solution

The fourth proportional to 22,668.81, 31,274.00 and 13,106.94 is: 18,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.81 : 31,274.00 = 13,106.94 : x
  2. Step 2: Convert to fraction form
    22,668.81/31,274.00 = 13,106.94/x
  3. Step 3: Cross multiply
    22,668.81x = 31,274.00 × 13,106.94
  4. Step 4: Simplify right side
    22,668.81x = 409,906,376.03
  5. Step 5: Solve for x
    x = 409,906,376.03/22,668.81
  6. Step 6: Final answer
    x = 18,082.39

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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.