Home / 13,907.03-20,872.76-7,337.66

Finding the Fourth Proportional to 13,907.03, 20,872.76 and 7,337.66

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Solution

The fourth proportional to 13,907.03, 20,872.76 and 7,337.66 is: 11,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.03 : 20,872.76 = 7,337.66 : x
  2. Step 2: Convert to fraction form
    13,907.03/20,872.76 = 7,337.66/x
  3. Step 3: Cross multiply
    13,907.03x = 20,872.76 × 7,337.66
  4. Step 4: Simplify right side
    13,907.03x = 153,157,075.09
  5. Step 5: Solve for x
    x = 153,157,075.09/13,907.03
  6. Step 6: Final answer
    x = 11,012.93

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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.