Home / 26,634.07-39,940.71-9,985.02

Finding the Fourth Proportional to 26,634.07, 39,940.71 and 9,985.02

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Solution

The fourth proportional to 26,634.07, 39,940.71 and 9,985.02 is: 14,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.07 : 39,940.71 = 9,985.02 : x
  2. Step 2: Convert to fraction form
    26,634.07/39,940.71 = 9,985.02/x
  3. Step 3: Cross multiply
    26,634.07x = 39,940.71 × 9,985.02
  4. Step 4: Simplify right side
    26,634.07x = 398,808,912.98
  5. Step 5: Solve for x
    x = 398,808,912.98/26,634.07
  6. Step 6: Final answer
    x = 14,973.64

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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.