Home / 15,646.22-23,329.77-13,907.56

Finding the Fourth Proportional to 15,646.22, 23,329.77 and 13,907.56

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Solution

The fourth proportional to 15,646.22, 23,329.77 and 13,907.56 is: 20,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.22 : 23,329.77 = 13,907.56 : x
  2. Step 2: Convert to fraction form
    15,646.22/23,329.77 = 13,907.56/x
  3. Step 3: Cross multiply
    15,646.22x = 23,329.77 × 13,907.56
  4. Step 4: Simplify right side
    15,646.22x = 324,460,176.06
  5. Step 5: Solve for x
    x = 324,460,176.06/15,646.22
  6. Step 6: Final answer
    x = 20,737.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.