Home / 26,111.84-36,043.44-15,510.56

Finding the Fourth Proportional to 26,111.84, 36,043.44 and 15,510.56

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Solution

The fourth proportional to 26,111.84, 36,043.44 and 15,510.56 is: 21,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.84 : 36,043.44 = 15,510.56 : x
  2. Step 2: Convert to fraction form
    26,111.84/36,043.44 = 15,510.56/x
  3. Step 3: Cross multiply
    26,111.84x = 36,043.44 × 15,510.56
  4. Step 4: Simplify right side
    26,111.84x = 559,053,938.73
  5. Step 5: Solve for x
    x = 559,053,938.73/26,111.84
  6. Step 6: Final answer
    x = 21,409.98

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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.