Home / 14,068.36-19,428.86-12,170.82

Finding the Fourth Proportional to 14,068.36, 19,428.86 and 12,170.82

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Solution

The fourth proportional to 14,068.36, 19,428.86 and 12,170.82 is: 16,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.36 : 19,428.86 = 12,170.82 : x
  2. Step 2: Convert to fraction form
    14,068.36/19,428.86 = 12,170.82/x
  3. Step 3: Cross multiply
    14,068.36x = 19,428.86 × 12,170.82
  4. Step 4: Simplify right side
    14,068.36x = 236,465,157.87
  5. Step 5: Solve for x
    x = 236,465,157.87/14,068.36
  6. Step 6: Final answer
    x = 16,808.30

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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.