Home / 19,037.93-28,556.90-5,186.93

Finding the Fourth Proportional to 19,037.93, 28,556.90 and 5,186.93

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Solution

The fourth proportional to 19,037.93, 28,556.90 and 5,186.93 is: 7,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.93 : 28,556.90 = 5,186.93 : x
  2. Step 2: Convert to fraction form
    19,037.93/28,556.90 = 5,186.93/x
  3. Step 3: Cross multiply
    19,037.93x = 28,556.90 × 5,186.93
  4. Step 4: Simplify right side
    19,037.93x = 148,122,686.77
  5. Step 5: Solve for x
    x = 148,122,686.77/19,037.93
  6. Step 6: Final answer
    x = 7,780.40

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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.