Home / 25,187.13-37,756.10-12,669.60

Finding the Fourth Proportional to 25,187.13, 37,756.10 and 12,669.60

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Solution

The fourth proportional to 25,187.13, 37,756.10 and 12,669.60 is: 18,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.13 : 37,756.10 = 12,669.60 : x
  2. Step 2: Convert to fraction form
    25,187.13/37,756.10 = 12,669.60/x
  3. Step 3: Cross multiply
    25,187.13x = 37,756.10 × 12,669.60
  4. Step 4: Simplify right side
    25,187.13x = 478,354,621.21
  5. Step 5: Solve for x
    x = 478,354,621.21/25,187.13
  6. Step 6: Final answer
    x = 18,992.03

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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.