Home / 17,780.81-24,537.20-9,823.77

Finding the Fourth Proportional to 17,780.81, 24,537.20 and 9,823.77

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Solution

The fourth proportional to 17,780.81, 24,537.20 and 9,823.77 is: 13,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.81 : 24,537.20 = 9,823.77 : x
  2. Step 2: Convert to fraction form
    17,780.81/24,537.20 = 9,823.77/x
  3. Step 3: Cross multiply
    17,780.81x = 24,537.20 × 9,823.77
  4. Step 4: Simplify right side
    17,780.81x = 241,047,760.13
  5. Step 5: Solve for x
    x = 241,047,760.13/17,780.81
  6. Step 6: Final answer
    x = 13,556.63

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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.