Home / 20,734.16-31,075.26-14,801.72

Finding the Fourth Proportional to 20,734.16, 31,075.26 and 14,801.72

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Solution

The fourth proportional to 20,734.16, 31,075.26 and 14,801.72 is: 22,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.16 : 31,075.26 = 14,801.72 : x
  2. Step 2: Convert to fraction form
    20,734.16/31,075.26 = 14,801.72/x
  3. Step 3: Cross multiply
    20,734.16x = 31,075.26 × 14,801.72
  4. Step 4: Simplify right side
    20,734.16x = 459,967,297.45
  5. Step 5: Solve for x
    x = 459,967,297.45/20,734.16
  6. Step 6: Final answer
    x = 22,184.03

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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.