Home / 19,065.33-26,309.21-10,680.21

Finding the Fourth Proportional to 19,065.33, 26,309.21 and 10,680.21

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Solution

The fourth proportional to 19,065.33, 26,309.21 and 10,680.21 is: 14,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.33 : 26,309.21 = 10,680.21 : x
  2. Step 2: Convert to fraction form
    19,065.33/26,309.21 = 10,680.21/x
  3. Step 3: Cross multiply
    19,065.33x = 26,309.21 × 10,680.21
  4. Step 4: Simplify right side
    19,065.33x = 280,987,834.33
  5. Step 5: Solve for x
    x = 280,987,834.33/19,065.33
  6. Step 6: Final answer
    x = 14,738.16

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Half scale
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Double scale
Find fourth proportional to 19,066.33, 26,310.58 and 10,681.21
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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.