Home / 19,205.35-28,808.03-7,510.37

Finding the Fourth Proportional to 19,205.35, 28,808.03 and 7,510.37

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Solution

The fourth proportional to 19,205.35, 28,808.03 and 7,510.37 is: 11,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.35 : 28,808.03 = 7,510.37 : x
  2. Step 2: Convert to fraction form
    19,205.35/28,808.03 = 7,510.37/x
  3. Step 3: Cross multiply
    19,205.35x = 28,808.03 × 7,510.37
  4. Step 4: Simplify right side
    19,205.35x = 216,358,839.01
  5. Step 5: Solve for x
    x = 216,358,839.01/19,205.35
  6. Step 6: Final answer
    x = 11,265.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.