Home / 19,013.74-28,381.34-16,769.25

Finding the Fourth Proportional to 19,013.74, 28,381.34 and 16,769.25

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Solution

The fourth proportional to 19,013.74, 28,381.34 and 16,769.25 is: 25,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.74 : 28,381.34 = 16,769.25 : x
  2. Step 2: Convert to fraction form
    19,013.74/28,381.34 = 16,769.25/x
  3. Step 3: Cross multiply
    19,013.74x = 28,381.34 × 16,769.25
  4. Step 4: Simplify right side
    19,013.74x = 475,933,701.95
  5. Step 5: Solve for x
    x = 475,933,701.95/19,013.74
  6. Step 6: Final answer
    x = 25,031.04

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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.