Home / 14,075.19-21,115.34-4,714.29

Finding the Fourth Proportional to 14,075.19, 21,115.34 and 4,714.29

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Solution

The fourth proportional to 14,075.19, 21,115.34 and 4,714.29 is: 7,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.19 : 21,115.34 = 4,714.29 : x
  2. Step 2: Convert to fraction form
    14,075.19/21,115.34 = 4,714.29/x
  3. Step 3: Cross multiply
    14,075.19x = 21,115.34 × 4,714.29
  4. Step 4: Simplify right side
    14,075.19x = 99,543,836.21
  5. Step 5: Solve for x
    x = 99,543,836.21/14,075.19
  6. Step 6: Final answer
    x = 7,072.29

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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.