Home / 19,511.76-26,926.64-11,551.04

Finding the Fourth Proportional to 19,511.76, 26,926.64 and 11,551.04

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Solution

The fourth proportional to 19,511.76, 26,926.64 and 11,551.04 is: 15,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.76 : 26,926.64 = 11,551.04 : x
  2. Step 2: Convert to fraction form
    19,511.76/26,926.64 = 11,551.04/x
  3. Step 3: Cross multiply
    19,511.76x = 26,926.64 × 11,551.04
  4. Step 4: Simplify right side
    19,511.76x = 311,030,695.71
  5. Step 5: Solve for x
    x = 311,030,695.71/19,511.76
  6. Step 6: Final answer
    x = 15,940.68

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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.