Home / 13,366.64-18,433.77-11,477.63

Finding the Fourth Proportional to 13,366.64, 18,433.77 and 11,477.63

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Solution

The fourth proportional to 13,366.64, 18,433.77 and 11,477.63 is: 15,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.64 : 18,433.77 = 11,477.63 : x
  2. Step 2: Convert to fraction form
    13,366.64/18,433.77 = 11,477.63/x
  3. Step 3: Cross multiply
    13,366.64x = 18,433.77 × 11,477.63
  4. Step 4: Simplify right side
    13,366.64x = 211,575,991.57
  5. Step 5: Solve for x
    x = 211,575,991.57/13,366.64
  6. Step 6: Final answer
    x = 15,828.66

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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.