Home / 28,556.19-39,402.07-18,483.23

Finding the Fourth Proportional to 28,556.19, 39,402.07 and 18,483.23

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Solution

The fourth proportional to 28,556.19, 39,402.07 and 18,483.23 is: 25,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.19 : 39,402.07 = 18,483.23 : x
  2. Step 2: Convert to fraction form
    28,556.19/39,402.07 = 18,483.23/x
  3. Step 3: Cross multiply
    28,556.19x = 39,402.07 × 18,483.23
  4. Step 4: Simplify right side
    28,556.19x = 728,277,522.29
  5. Step 5: Solve for x
    x = 728,277,522.29/28,556.19
  6. Step 6: Final answer
    x = 25,503.32

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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.