Home / 13,475.42-20,212.19-5,040.32

Finding the Fourth Proportional to 13,475.42, 20,212.19 and 5,040.32

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Solution

The fourth proportional to 13,475.42, 20,212.19 and 5,040.32 is: 7,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.42 : 20,212.19 = 5,040.32 : x
  2. Step 2: Convert to fraction form
    13,475.42/20,212.19 = 5,040.32/x
  3. Step 3: Cross multiply
    13,475.42x = 20,212.19 × 5,040.32
  4. Step 4: Simplify right side
    13,475.42x = 101,875,905.50
  5. Step 5: Solve for x
    x = 101,875,905.50/13,475.42
  6. Step 6: Final answer
    x = 7,560.13

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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.