Home / 13,556.10-20,332.94-4,790.58

Finding the Fourth Proportional to 13,556.10, 20,332.94 and 4,790.58

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Solution

The fourth proportional to 13,556.10, 20,332.94 and 4,790.58 is: 7,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.10 : 20,332.94 = 4,790.58 : x
  2. Step 2: Convert to fraction form
    13,556.10/20,332.94 = 4,790.58/x
  3. Step 3: Cross multiply
    13,556.10x = 20,332.94 × 4,790.58
  4. Step 4: Simplify right side
    13,556.10x = 97,406,575.71
  5. Step 5: Solve for x
    x = 97,406,575.71/13,556.10
  6. Step 6: Final answer
    x = 7,185.44

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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.