Home / 26,212.58-36,207.98-19,420.40

Finding the Fourth Proportional to 26,212.58, 36,207.98 and 19,420.40

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Solution

The fourth proportional to 26,212.58, 36,207.98 and 19,420.40 is: 26,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212.58 : 36,207.98 = 19,420.40 : x
  2. Step 2: Convert to fraction form
    26,212.58/36,207.98 = 19,420.40/x
  3. Step 3: Cross multiply
    26,212.58x = 36,207.98 × 19,420.40
  4. Step 4: Simplify right side
    26,212.58x = 703,173,176.65
  5. Step 5: Solve for x
    x = 703,173,176.65/26,212.58
  6. Step 6: Final answer
    x = 26,825.80

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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.