Home / 36,795.16-55,187.16-13,421.62

Finding the Fourth Proportional to 36,795.16, 55,187.16 and 13,421.62

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Solution

The fourth proportional to 36,795.16, 55,187.16 and 13,421.62 is: 20,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,795.16 : 55,187.16 = 13,421.62 : x
  2. Step 2: Convert to fraction form
    36,795.16/55,187.16 = 13,421.62/x
  3. Step 3: Cross multiply
    36,795.16x = 55,187.16 × 13,421.62
  4. Step 4: Simplify right side
    36,795.16x = 740,701,090.40
  5. Step 5: Solve for x
    x = 740,701,090.40/36,795.16
  6. Step 6: Final answer
    x = 20,130.39

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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.