Home / 13,289.49-18,359.33-10,733.43

Finding the Fourth Proportional to 13,289.49, 18,359.33 and 10,733.43

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Solution

The fourth proportional to 13,289.49, 18,359.33 and 10,733.43 is: 14,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.49 : 18,359.33 = 10,733.43 : x
  2. Step 2: Convert to fraction form
    13,289.49/18,359.33 = 10,733.43/x
  3. Step 3: Cross multiply
    13,289.49x = 18,359.33 × 10,733.43
  4. Step 4: Simplify right side
    13,289.49x = 197,058,598.58
  5. Step 5: Solve for x
    x = 197,058,598.58/13,289.49
  6. Step 6: Final answer
    x = 14,828.15

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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.