Home / 14,482.89-19,976.07-13,291.73

Finding the Fourth Proportional to 14,482.89, 19,976.07 and 13,291.73

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Solution

The fourth proportional to 14,482.89, 19,976.07 and 13,291.73 is: 18,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.89 : 19,976.07 = 13,291.73 : x
  2. Step 2: Convert to fraction form
    14,482.89/19,976.07 = 13,291.73/x
  3. Step 3: Cross multiply
    14,482.89x = 19,976.07 × 13,291.73
  4. Step 4: Simplify right side
    14,482.89x = 265,516,429.02
  5. Step 5: Solve for x
    x = 265,516,429.02/14,482.89
  6. Step 6: Final answer
    x = 18,333.11

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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.