Home / 13,544.16-20,325.12-4,779.04

Finding the Fourth Proportional to 13,544.16, 20,325.12 and 4,779.04

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Solution

The fourth proportional to 13,544.16, 20,325.12 and 4,779.04 is: 7,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.16 : 20,325.12 = 4,779.04 : x
  2. Step 2: Convert to fraction form
    13,544.16/20,325.12 = 4,779.04/x
  3. Step 3: Cross multiply
    13,544.16x = 20,325.12 × 4,779.04
  4. Step 4: Simplify right side
    13,544.16x = 97,134,561.48
  5. Step 5: Solve for x
    x = 97,134,561.48/13,544.16
  6. Step 6: Final answer
    x = 7,171.69

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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.