Home / 26,810.69-40,185.05-19,684.71

Finding the Fourth Proportional to 26,810.69, 40,185.05 and 19,684.71

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Solution

The fourth proportional to 26,810.69, 40,185.05 and 19,684.71 is: 29,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.69 : 40,185.05 = 19,684.71 : x
  2. Step 2: Convert to fraction form
    26,810.69/40,185.05 = 19,684.71/x
  3. Step 3: Cross multiply
    26,810.69x = 40,185.05 × 19,684.71
  4. Step 4: Simplify right side
    26,810.69x = 791,030,957.16
  5. Step 5: Solve for x
    x = 791,030,957.16/26,810.69
  6. Step 6: Final answer
    x = 29,504.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.