Home / 14,149.60-19,506.93-11,288.04

Finding the Fourth Proportional to 14,149.60, 19,506.93 and 11,288.04

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Solution

The fourth proportional to 14,149.60, 19,506.93 and 11,288.04 is: 15,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.60 : 19,506.93 = 11,288.04 : x
  2. Step 2: Convert to fraction form
    14,149.60/19,506.93 = 11,288.04/x
  3. Step 3: Cross multiply
    14,149.60x = 19,506.93 × 11,288.04
  4. Step 4: Simplify right side
    14,149.60x = 220,194,908.58
  5. Step 5: Solve for x
    x = 220,194,908.58/14,149.60
  6. Step 6: Final answer
    x = 15,561.92

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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.