Home / 19,164.39-26,446.60-10,780.89

Finding the Fourth Proportional to 19,164.39, 26,446.60 and 10,780.89

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Solution

The fourth proportional to 19,164.39, 26,446.60 and 10,780.89 is: 14,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.39 : 26,446.60 = 10,780.89 : x
  2. Step 2: Convert to fraction form
    19,164.39/26,446.60 = 10,780.89/x
  3. Step 3: Cross multiply
    19,164.39x = 26,446.60 × 10,780.89
  4. Step 4: Simplify right side
    19,164.39x = 285,117,885.47
  5. Step 5: Solve for x
    x = 285,117,885.47/19,164.39
  6. Step 6: Final answer
    x = 14,877.48

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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.