Home / 18,254.93-27,386.67-7,725.89

Finding the Fourth Proportional to 18,254.93, 27,386.67 and 7,725.89

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Solution

The fourth proportional to 18,254.93, 27,386.67 and 7,725.89 is: 11,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.93 : 27,386.67 = 7,725.89 : x
  2. Step 2: Convert to fraction form
    18,254.93/27,386.67 = 7,725.89/x
  3. Step 3: Cross multiply
    18,254.93x = 27,386.67 × 7,725.89
  4. Step 4: Simplify right side
    18,254.93x = 211,586,262.95
  5. Step 5: Solve for x
    x = 211,586,262.95/18,254.93
  6. Step 6: Final answer
    x = 11,590.64

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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.