Home / 18,146.74-25,046.46-13,055.86

Finding the Fourth Proportional to 18,146.74, 25,046.46 and 13,055.86

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Solution

The fourth proportional to 18,146.74, 25,046.46 and 13,055.86 is: 18,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.74 : 25,046.46 = 13,055.86 : x
  2. Step 2: Convert to fraction form
    18,146.74/25,046.46 = 13,055.86/x
  3. Step 3: Cross multiply
    18,146.74x = 25,046.46 × 13,055.86
  4. Step 4: Simplify right side
    18,146.74x = 327,003,075.26
  5. Step 5: Solve for x
    x = 327,003,075.26/18,146.74
  6. Step 6: Final answer
    x = 18,019.93

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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.