Home / 14,116.74-19,483.65-13,411.86

Finding the Fourth Proportional to 14,116.74, 19,483.65 and 13,411.86

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Solution

The fourth proportional to 14,116.74, 19,483.65 and 13,411.86 is: 18,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.74 : 19,483.65 = 13,411.86 : x
  2. Step 2: Convert to fraction form
    14,116.74/19,483.65 = 13,411.86/x
  3. Step 3: Cross multiply
    14,116.74x = 19,483.65 × 13,411.86
  4. Step 4: Simplify right side
    14,116.74x = 261,311,986.09
  5. Step 5: Solve for x
    x = 261,311,986.09/14,116.74
  6. Step 6: Final answer
    x = 18,510.79

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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.