Home / 14,236.96-21,359.28-12,866.08

Finding the Fourth Proportional to 14,236.96, 21,359.28 and 12,866.08

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Solution

The fourth proportional to 14,236.96, 21,359.28 and 12,866.08 is: 19,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.96 : 21,359.28 = 12,866.08 : x
  2. Step 2: Convert to fraction form
    14,236.96/21,359.28 = 12,866.08/x
  3. Step 3: Cross multiply
    14,236.96x = 21,359.28 × 12,866.08
  4. Step 4: Simplify right side
    14,236.96x = 274,810,205.22
  5. Step 5: Solve for x
    x = 274,810,205.22/14,236.96
  6. Step 6: Final answer
    x = 19,302.59

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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.