Home / 13,752.51-20,588.12-10,257.83

Finding the Fourth Proportional to 13,752.51, 20,588.12 and 10,257.83

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Solution

The fourth proportional to 13,752.51, 20,588.12 and 10,257.83 is: 15,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.51 : 20,588.12 = 10,257.83 : x
  2. Step 2: Convert to fraction form
    13,752.51/20,588.12 = 10,257.83/x
  3. Step 3: Cross multiply
    13,752.51x = 20,588.12 × 10,257.83
  4. Step 4: Simplify right side
    13,752.51x = 211,189,434.98
  5. Step 5: Solve for x
    x = 211,189,434.98/13,752.51
  6. Step 6: Final answer
    x = 15,356.43

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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.