Home / 15,435.92-21,301.97-9,464.15

Finding the Fourth Proportional to 15,435.92, 21,301.97 and 9,464.15

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Solution

The fourth proportional to 15,435.92, 21,301.97 and 9,464.15 is: 13,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.92 : 21,301.97 = 9,464.15 : x
  2. Step 2: Convert to fraction form
    15,435.92/21,301.97 = 9,464.15/x
  3. Step 3: Cross multiply
    15,435.92x = 21,301.97 × 9,464.15
  4. Step 4: Simplify right side
    15,435.92x = 201,604,885.54
  5. Step 5: Solve for x
    x = 201,604,885.54/15,435.92
  6. Step 6: Final answer
    x = 13,060.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.