Home / 19,511.34-26,927.19-11,127.66

Finding the Fourth Proportional to 19,511.34, 26,927.19 and 11,127.66

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Solution

The fourth proportional to 19,511.34, 26,927.19 and 11,127.66 is: 15,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.34 : 26,927.19 = 11,127.66 : x
  2. Step 2: Convert to fraction form
    19,511.34/26,927.19 = 11,127.66/x
  3. Step 3: Cross multiply
    19,511.34x = 26,927.19 × 11,127.66
  4. Step 4: Simplify right side
    19,511.34x = 299,636,615.08
  5. Step 5: Solve for x
    x = 299,636,615.08/19,511.34
  6. Step 6: Final answer
    x = 15,357.05

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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.