Home / 22,029.84-32,858.80-18,705.60

Finding the Fourth Proportional to 22,029.84, 32,858.80 and 18,705.60

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Solution

The fourth proportional to 22,029.84, 32,858.80 and 18,705.60 is: 27,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.84 : 32,858.80 = 18,705.60 : x
  2. Step 2: Convert to fraction form
    22,029.84/32,858.80 = 18,705.60/x
  3. Step 3: Cross multiply
    22,029.84x = 32,858.80 × 18,705.60
  4. Step 4: Simplify right side
    22,029.84x = 614,643,522.52
  5. Step 5: Solve for x
    x = 614,643,522.52/22,029.84
  6. Step 6: Final answer
    x = 27,900.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.