Home / 15,406.14-22,997.76-13,537.80

Finding the Fourth Proportional to 15,406.14, 22,997.76 and 13,537.80

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Solution

The fourth proportional to 15,406.14, 22,997.76 and 13,537.80 is: 20,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.14 : 22,997.76 = 13,537.80 : x
  2. Step 2: Convert to fraction form
    15,406.14/22,997.76 = 13,537.80/x
  3. Step 3: Cross multiply
    15,406.14x = 22,997.76 × 13,537.80
  4. Step 4: Simplify right side
    15,406.14x = 311,339,075.33
  5. Step 5: Solve for x
    x = 311,339,075.33/15,406.14
  6. Step 6: Final answer
    x = 20,208.77

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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.