Home / 26,907.20-40,328.40-13,752.80

Finding the Fourth Proportional to 26,907.20, 40,328.40 and 13,752.80

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Solution

The fourth proportional to 26,907.20, 40,328.40 and 13,752.80 is: 20,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.20 : 40,328.40 = 13,752.80 : x
  2. Step 2: Convert to fraction form
    26,907.20/40,328.40 = 13,752.80/x
  3. Step 3: Cross multiply
    26,907.20x = 40,328.40 × 13,752.80
  4. Step 4: Simplify right side
    26,907.20x = 554,628,419.52
  5. Step 5: Solve for x
    x = 554,628,419.52/26,907.20
  6. Step 6: Final answer
    x = 20,612.64

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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.