Home / 26,448.63-39,679.77-9,813.40

Finding the Fourth Proportional to 26,448.63, 39,679.77 and 9,813.40

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Solution

The fourth proportional to 26,448.63, 39,679.77 and 9,813.40 is: 14,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.63 : 39,679.77 = 9,813.40 : x
  2. Step 2: Convert to fraction form
    26,448.63/39,679.77 = 9,813.40/x
  3. Step 3: Cross multiply
    26,448.63x = 39,679.77 × 9,813.40
  4. Step 4: Simplify right side
    26,448.63x = 389,393,615.72
  5. Step 5: Solve for x
    x = 389,393,615.72/26,448.63
  6. Step 6: Final answer
    x = 14,722.64

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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.