Home / 19,167.12-26,449.40-10,668.80

Finding the Fourth Proportional to 19,167.12, 26,449.40 and 10,668.80

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Solution

The fourth proportional to 19,167.12, 26,449.40 and 10,668.80 is: 14,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.12 : 26,449.40 = 10,668.80 : x
  2. Step 2: Convert to fraction form
    19,167.12/26,449.40 = 10,668.80/x
  3. Step 3: Cross multiply
    19,167.12x = 26,449.40 × 10,668.80
  4. Step 4: Simplify right side
    19,167.12x = 282,183,358.72
  5. Step 5: Solve for x
    x = 282,183,358.72/19,167.12
  6. Step 6: Final answer
    x = 14,722.26

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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.