Home / 14,336.40-19,817.28-11,964.72

Finding the Fourth Proportional to 14,336.40, 19,817.28 and 11,964.72

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Solution

The fourth proportional to 14,336.40, 19,817.28 and 11,964.72 is: 16,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.40 : 19,817.28 = 11,964.72 : x
  2. Step 2: Convert to fraction form
    14,336.40/19,817.28 = 11,964.72/x
  3. Step 3: Cross multiply
    14,336.40x = 19,817.28 × 11,964.72
  4. Step 4: Simplify right side
    14,336.40x = 237,108,206.36
  5. Step 5: Solve for x
    x = 237,108,206.36/14,336.40
  6. Step 6: Final answer
    x = 16,538.89

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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.