Home / 36,131.16-54,214.02-12,768.60

Finding the Fourth Proportional to 36,131.16, 54,214.02 and 12,768.60

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Solution

The fourth proportional to 36,131.16, 54,214.02 and 12,768.60 is: 19,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.16 : 54,214.02 = 12,768.60 : x
  2. Step 2: Convert to fraction form
    36,131.16/54,214.02 = 12,768.60/x
  3. Step 3: Cross multiply
    36,131.16x = 54,214.02 × 12,768.60
  4. Step 4: Simplify right side
    36,131.16x = 692,237,135.77
  5. Step 5: Solve for x
    x = 692,237,135.77/36,131.16
  6. Step 6: Final answer
    x = 19,159.01

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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.