Home / 14,312.56-19,760.52-11,666.28

Finding the Fourth Proportional to 14,312.56, 19,760.52 and 11,666.28

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Solution

The fourth proportional to 14,312.56, 19,760.52 and 11,666.28 is: 16,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.56 : 19,760.52 = 11,666.28 : x
  2. Step 2: Convert to fraction form
    14,312.56/19,760.52 = 11,666.28/x
  3. Step 3: Cross multiply
    14,312.56x = 19,760.52 × 11,666.28
  4. Step 4: Simplify right side
    14,312.56x = 230,531,759.27
  5. Step 5: Solve for x
    x = 230,531,759.27/14,312.56
  6. Step 6: Final answer
    x = 16,106.95

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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.