Home / 13,252.95-18,257.81-11,358.36

Finding the Fourth Proportional to 13,252.95, 18,257.81 and 11,358.36

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Solution

The fourth proportional to 13,252.95, 18,257.81 and 11,358.36 is: 15,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.95 : 18,257.81 = 11,358.36 : x
  2. Step 2: Convert to fraction form
    13,252.95/18,257.81 = 11,358.36/x
  3. Step 3: Cross multiply
    13,252.95x = 18,257.81 × 11,358.36
  4. Step 4: Simplify right side
    13,252.95x = 207,378,722.00
  5. Step 5: Solve for x
    x = 207,378,722.00/13,252.95
  6. Step 6: Final answer
    x = 15,647.74

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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.