Home / 20,556.24-30,624.06-19,565.52

Finding the Fourth Proportional to 20,556.24, 30,624.06 and 19,565.52

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Solution

The fourth proportional to 20,556.24, 30,624.06 and 19,565.52 is: 29,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556.24 : 30,624.06 = 19,565.52 : x
  2. Step 2: Convert to fraction form
    20,556.24/30,624.06 = 19,565.52/x
  3. Step 3: Cross multiply
    20,556.24x = 30,624.06 × 19,565.52
  4. Step 4: Simplify right side
    20,556.24x = 599,175,658.41
  5. Step 5: Solve for x
    x = 599,175,658.41/20,556.24
  6. Step 6: Final answer
    x = 29,148.12

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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.