Home / 26,321.18-39,430.73-13,184.60

Finding the Fourth Proportional to 26,321.18, 39,430.73 and 13,184.60

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Solution

The fourth proportional to 26,321.18, 39,430.73 and 13,184.60 is: 19,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.18 : 39,430.73 = 13,184.60 : x
  2. Step 2: Convert to fraction form
    26,321.18/39,430.73 = 13,184.60/x
  3. Step 3: Cross multiply
    26,321.18x = 39,430.73 × 13,184.60
  4. Step 4: Simplify right side
    26,321.18x = 519,878,238.57
  5. Step 5: Solve for x
    x = 519,878,238.57/26,321.18
  6. Step 6: Final answer
    x = 19,751.33

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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.