Home / 14,152.98-19,511.58-11,291.43

Finding the Fourth Proportional to 14,152.98, 19,511.58 and 11,291.43

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Solution

The fourth proportional to 14,152.98, 19,511.58 and 11,291.43 is: 15,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.98 : 19,511.58 = 11,291.43 : x
  2. Step 2: Convert to fraction form
    14,152.98/19,511.58 = 11,291.43/x
  3. Step 3: Cross multiply
    14,152.98x = 19,511.58 × 11,291.43
  4. Step 4: Simplify right side
    14,152.98x = 220,313,639.76
  5. Step 5: Solve for x
    x = 220,313,639.76/14,152.98
  6. Step 6: Final answer
    x = 15,566.59

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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.