Home / 13,009.28-19,497.58-5,605.07

Finding the Fourth Proportional to 13,009.28, 19,497.58 and 5,605.07

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Solution

The fourth proportional to 13,009.28, 19,497.58 and 5,605.07 is: 8,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.28 : 19,497.58 = 5,605.07 : x
  2. Step 2: Convert to fraction form
    13,009.28/19,497.58 = 5,605.07/x
  3. Step 3: Cross multiply
    13,009.28x = 19,497.58 × 5,605.07
  4. Step 4: Simplify right side
    13,009.28x = 109,285,189.23
  5. Step 5: Solve for x
    x = 109,285,189.23/13,009.28
  6. Step 6: Final answer
    x = 8,400.56

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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.