Home / 19,164.45-26,446.93-10,780.95

Finding the Fourth Proportional to 19,164.45, 26,446.93 and 10,780.95

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Solution

The fourth proportional to 19,164.45, 26,446.93 and 10,780.95 is: 14,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.45 : 26,446.93 = 10,780.95 : x
  2. Step 2: Convert to fraction form
    19,164.45/26,446.93 = 10,780.95/x
  3. Step 3: Cross multiply
    19,164.45x = 26,446.93 × 10,780.95
  4. Step 4: Simplify right side
    19,164.45x = 285,122,843.84
  5. Step 5: Solve for x
    x = 285,122,843.84/19,164.45
  6. Step 6: Final answer
    x = 14,877.70

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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.