Home / 13,216.53-18,237.63-9,250.77

Finding the Fourth Proportional to 13,216.53, 18,237.63 and 9,250.77

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Solution

The fourth proportional to 13,216.53, 18,237.63 and 9,250.77 is: 12,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.53 : 18,237.63 = 9,250.77 : x
  2. Step 2: Convert to fraction form
    13,216.53/18,237.63 = 9,250.77/x
  3. Step 3: Cross multiply
    13,216.53x = 18,237.63 × 9,250.77
  4. Step 4: Simplify right side
    13,216.53x = 168,712,120.48
  5. Step 5: Solve for x
    x = 168,712,120.48/13,216.53
  6. Step 6: Final answer
    x = 12,765.24

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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.