Home / 19,165.74-26,448.78-10,668.66

Finding the Fourth Proportional to 19,165.74, 26,448.78 and 10,668.66

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Solution

The fourth proportional to 19,165.74, 26,448.78 and 10,668.66 is: 14,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.74 : 26,448.78 = 10,668.66 : x
  2. Step 2: Convert to fraction form
    19,165.74/26,448.78 = 10,668.66/x
  3. Step 3: Cross multiply
    19,165.74x = 26,448.78 × 10,668.66
  4. Step 4: Simplify right side
    19,165.74x = 282,173,041.23
  5. Step 5: Solve for x
    x = 282,173,041.23/19,165.74
  6. Step 6: Final answer
    x = 14,722.78

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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.