Home / 20,506.35-28,302.38-19,571.41

Finding the Fourth Proportional to 20,506.35, 28,302.38 and 19,571.41

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Solution

The fourth proportional to 20,506.35, 28,302.38 and 19,571.41 is: 27,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.35 : 28,302.38 = 19,571.41 : x
  2. Step 2: Convert to fraction form
    20,506.35/28,302.38 = 19,571.41/x
  3. Step 3: Cross multiply
    20,506.35x = 28,302.38 × 19,571.41
  4. Step 4: Simplify right side
    20,506.35x = 553,917,482.96
  5. Step 5: Solve for x
    x = 553,917,482.96/20,506.35
  6. Step 6: Final answer
    x = 27,012.00

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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.