Home / 15,732.04-21,709.32-9,016.24

Finding the Fourth Proportional to 15,732.04, 21,709.32 and 9,016.24

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Solution

The fourth proportional to 15,732.04, 21,709.32 and 9,016.24 is: 12,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732.04 : 21,709.32 = 9,016.24 : x
  2. Step 2: Convert to fraction form
    15,732.04/21,709.32 = 9,016.24/x
  3. Step 3: Cross multiply
    15,732.04x = 21,709.32 × 9,016.24
  4. Step 4: Simplify right side
    15,732.04x = 195,736,439.36
  5. Step 5: Solve for x
    x = 195,736,439.36/15,732.04
  6. Step 6: Final answer
    x = 12,441.90

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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.