Home / 22,663.09-33,965.79-12,807.87

Finding the Fourth Proportional to 22,663.09, 33,965.79 and 12,807.87

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Solution

The fourth proportional to 22,663.09, 33,965.79 and 12,807.87 is: 19,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.09 : 33,965.79 = 12,807.87 : x
  2. Step 2: Convert to fraction form
    22,663.09/33,965.79 = 12,807.87/x
  3. Step 3: Cross multiply
    22,663.09x = 33,965.79 × 12,807.87
  4. Step 4: Simplify right side
    22,663.09x = 435,029,422.77
  5. Step 5: Solve for x
    x = 435,029,422.77/22,663.09
  6. Step 6: Final answer
    x = 19,195.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.