Home / 14,299.90-19,716.70-12,307.03

Finding the Fourth Proportional to 14,299.90, 19,716.70 and 12,307.03

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Solution

The fourth proportional to 14,299.90, 19,716.70 and 12,307.03 is: 16,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.90 : 19,716.70 = 12,307.03 : x
  2. Step 2: Convert to fraction form
    14,299.90/19,716.70 = 12,307.03/x
  3. Step 3: Cross multiply
    14,299.90x = 19,716.70 × 12,307.03
  4. Step 4: Simplify right side
    14,299.90x = 242,653,858.28
  5. Step 5: Solve for x
    x = 242,653,858.28/14,299.90
  6. Step 6: Final answer
    x = 16,968.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.