Home / 13,477.42-20,215.19-5,042.32

Finding the Fourth Proportional to 13,477.42, 20,215.19 and 5,042.32

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Solution

The fourth proportional to 13,477.42, 20,215.19 and 5,042.32 is: 7,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.42 : 20,215.19 = 5,042.32 : x
  2. Step 2: Convert to fraction form
    13,477.42/20,215.19 = 5,042.32/x
  3. Step 3: Cross multiply
    13,477.42x = 20,215.19 × 5,042.32
  4. Step 4: Simplify right side
    13,477.42x = 101,931,456.84
  5. Step 5: Solve for x
    x = 101,931,456.84/13,477.42
  6. Step 6: Final answer
    x = 7,563.13

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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.