Home / 14,049.90-19,411.65-13,911.66

Finding the Fourth Proportional to 14,049.90, 19,411.65 and 13,911.66

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Solution

The fourth proportional to 14,049.90, 19,411.65 and 13,911.66 is: 19,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.90 : 19,411.65 = 13,911.66 : x
  2. Step 2: Convert to fraction form
    14,049.90/19,411.65 = 13,911.66/x
  3. Step 3: Cross multiply
    14,049.90x = 19,411.65 × 13,911.66
  4. Step 4: Simplify right side
    14,049.90x = 270,048,274.84
  5. Step 5: Solve for x
    x = 270,048,274.84/14,049.90
  6. Step 6: Final answer
    x = 19,220.65

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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.