Home / 13,631.32-20,448.66-4,867.16

Finding the Fourth Proportional to 13,631.32, 20,448.66 and 4,867.16

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Solution

The fourth proportional to 13,631.32, 20,448.66 and 4,867.16 is: 7,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.32 : 20,448.66 = 4,867.16 : x
  2. Step 2: Convert to fraction form
    13,631.32/20,448.66 = 4,867.16/x
  3. Step 3: Cross multiply
    13,631.32x = 20,448.66 × 4,867.16
  4. Step 4: Simplify right side
    13,631.32x = 99,526,900.01
  5. Step 5: Solve for x
    x = 99,526,900.01/13,631.32
  6. Step 6: Final answer
    x = 7,301.34

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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.