Home / 18,923.04-26,109.19-12,462.01

Finding the Fourth Proportional to 18,923.04, 26,109.19 and 12,462.01

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Solution

The fourth proportional to 18,923.04, 26,109.19 and 12,462.01 is: 17,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.04 : 26,109.19 = 12,462.01 : x
  2. Step 2: Convert to fraction form
    18,923.04/26,109.19 = 12,462.01/x
  3. Step 3: Cross multiply
    18,923.04x = 26,109.19 × 12,462.01
  4. Step 4: Simplify right side
    18,923.04x = 325,372,986.87
  5. Step 5: Solve for x
    x = 325,372,986.87/18,923.04
  6. Step 6: Final answer
    x = 17,194.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.