Home / 19,998.77-27,603.64-11,501.82

Finding the Fourth Proportional to 19,998.77, 27,603.64 and 11,501.82

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Solution

The fourth proportional to 19,998.77, 27,603.64 and 11,501.82 is: 15,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.77 : 27,603.64 = 11,501.82 : x
  2. Step 2: Convert to fraction form
    19,998.77/27,603.64 = 11,501.82/x
  3. Step 3: Cross multiply
    19,998.77x = 27,603.64 × 11,501.82
  4. Step 4: Simplify right side
    19,998.77x = 317,492,098.62
  5. Step 5: Solve for x
    x = 317,492,098.62/19,998.77
  6. Step 6: Final answer
    x = 15,875.58

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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.