Home / 28,610.93-39,506.55-18,556.46

Finding the Fourth Proportional to 28,610.93, 39,506.55 and 18,556.46

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Solution

The fourth proportional to 28,610.93, 39,506.55 and 18,556.46 is: 25,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.93 : 39,506.55 = 18,556.46 : x
  2. Step 2: Convert to fraction form
    28,610.93/39,506.55 = 18,556.46/x
  3. Step 3: Cross multiply
    28,610.93x = 39,506.55 × 18,556.46
  4. Step 4: Simplify right side
    28,610.93x = 733,101,714.81
  5. Step 5: Solve for x
    x = 733,101,714.81/28,610.93
  6. Step 6: Final answer
    x = 25,623.13

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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.