Home / 19,036.20-26,245.54-14,780.04

Finding the Fourth Proportional to 19,036.20, 26,245.54 and 14,780.04

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Solution

The fourth proportional to 19,036.20, 26,245.54 and 14,780.04 is: 20,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.20 : 26,245.54 = 14,780.04 : x
  2. Step 2: Convert to fraction form
    19,036.20/26,245.54 = 14,780.04/x
  3. Step 3: Cross multiply
    19,036.20x = 26,245.54 × 14,780.04
  4. Step 4: Simplify right side
    19,036.20x = 387,910,131.02
  5. Step 5: Solve for x
    x = 387,910,131.02/19,036.20
  6. Step 6: Final answer
    x = 20,377.50

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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.