Home / 19,935.86-27,511.79-10,983.26

Finding the Fourth Proportional to 19,935.86, 27,511.79 and 10,983.26

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Solution

The fourth proportional to 19,935.86, 27,511.79 and 10,983.26 is: 15,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.86 : 27,511.79 = 10,983.26 : x
  2. Step 2: Convert to fraction form
    19,935.86/27,511.79 = 10,983.26/x
  3. Step 3: Cross multiply
    19,935.86x = 27,511.79 × 10,983.26
  4. Step 4: Simplify right side
    19,935.86x = 302,169,156.50
  5. Step 5: Solve for x
    x = 302,169,156.50/19,935.86
  6. Step 6: Final answer
    x = 15,157.07

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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.