Home / 13,744.71-18,955.18-11,624.68

Finding the Fourth Proportional to 13,744.71, 18,955.18 and 11,624.68

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Solution

The fourth proportional to 13,744.71, 18,955.18 and 11,624.68 is: 16,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.71 : 18,955.18 = 11,624.68 : x
  2. Step 2: Convert to fraction form
    13,744.71/18,955.18 = 11,624.68/x
  3. Step 3: Cross multiply
    13,744.71x = 18,955.18 × 11,624.68
  4. Step 4: Simplify right side
    13,744.71x = 220,347,901.84
  5. Step 5: Solve for x
    x = 220,347,901.84/13,744.71
  6. Step 6: Final answer
    x = 16,031.47

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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.