Home / 20,052.84-27,665.46-15,454.98

Finding the Fourth Proportional to 20,052.84, 27,665.46 and 15,454.98

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Solution

The fourth proportional to 20,052.84, 27,665.46 and 15,454.98 is: 21,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.84 : 27,665.46 = 15,454.98 : x
  2. Step 2: Convert to fraction form
    20,052.84/27,665.46 = 15,454.98/x
  3. Step 3: Cross multiply
    20,052.84x = 27,665.46 × 15,454.98
  4. Step 4: Simplify right side
    20,052.84x = 427,569,130.99
  5. Step 5: Solve for x
    x = 427,569,130.99/20,052.84
  6. Step 6: Final answer
    x = 21,322.12

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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.