Home / 14,075.71-21,116.12-6,680.10

Finding the Fourth Proportional to 14,075.71, 21,116.12 and 6,680.10

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Solution

The fourth proportional to 14,075.71, 21,116.12 and 6,680.10 is: 10,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.71 : 21,116.12 = 6,680.10 : x
  2. Step 2: Convert to fraction form
    14,075.71/21,116.12 = 6,680.10/x
  3. Step 3: Cross multiply
    14,075.71x = 21,116.12 × 6,680.10
  4. Step 4: Simplify right side
    14,075.71x = 141,057,793.21
  5. Step 5: Solve for x
    x = 141,057,793.21/14,075.71
  6. Step 6: Final answer
    x = 10,021.36

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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.