Home / 14,072.88-21,109.29-4,711.14

Finding the Fourth Proportional to 14,072.88, 21,109.29 and 4,711.14

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Solution

The fourth proportional to 14,072.88, 21,109.29 and 4,711.14 is: 7,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.88 : 21,109.29 = 4,711.14 : x
  2. Step 2: Convert to fraction form
    14,072.88/21,109.29 = 4,711.14/x
  3. Step 3: Cross multiply
    14,072.88x = 21,109.29 × 4,711.14
  4. Step 4: Simplify right side
    14,072.88x = 99,448,820.49
  5. Step 5: Solve for x
    x = 99,448,820.49/14,072.88
  6. Step 6: Final answer
    x = 7,066.70

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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.