Home / 13,506.93-20,253.78-4,740.57

Finding the Fourth Proportional to 13,506.93, 20,253.78 and 4,740.57

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Solution

The fourth proportional to 13,506.93, 20,253.78 and 4,740.57 is: 7,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.93 : 20,253.78 = 4,740.57 : x
  2. Step 2: Convert to fraction form
    13,506.93/20,253.78 = 4,740.57/x
  3. Step 3: Cross multiply
    13,506.93x = 20,253.78 × 4,740.57
  4. Step 4: Simplify right side
    13,506.93x = 96,014,461.85
  5. Step 5: Solve for x
    x = 96,014,461.85/13,506.93
  6. Step 6: Final answer
    x = 7,108.53

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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.