Home / 19,426.74-26,810.98-11,877.50

Finding the Fourth Proportional to 19,426.74, 26,810.98 and 11,877.50

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Solution

The fourth proportional to 19,426.74, 26,810.98 and 11,877.50 is: 16,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.74 : 26,810.98 = 11,877.50 : x
  2. Step 2: Convert to fraction form
    19,426.74/26,810.98 = 11,877.50/x
  3. Step 3: Cross multiply
    19,426.74x = 26,810.98 × 11,877.50
  4. Step 4: Simplify right side
    19,426.74x = 318,447,414.95
  5. Step 5: Solve for x
    x = 318,447,414.95/19,426.74
  6. Step 6: Final answer
    x = 16,392.22

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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.