Home / 25,317.99-37,985.19-12,171.39

Finding the Fourth Proportional to 25,317.99, 37,985.19 and 12,171.39

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Solution

The fourth proportional to 25,317.99, 37,985.19 and 12,171.39 is: 18,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.99 : 37,985.19 = 12,171.39 : x
  2. Step 2: Convert to fraction form
    25,317.99/37,985.19 = 12,171.39/x
  3. Step 3: Cross multiply
    25,317.99x = 37,985.19 × 12,171.39
  4. Step 4: Simplify right side
    25,317.99x = 462,332,373.63
  5. Step 5: Solve for x
    x = 462,332,373.63/25,317.99
  6. Step 6: Final answer
    x = 18,261.02

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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.