Home / 19,422.98-26,805.12-11,870.74

Finding the Fourth Proportional to 19,422.98, 26,805.12 and 11,870.74

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Solution

The fourth proportional to 19,422.98, 26,805.12 and 11,870.74 is: 16,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.98 : 26,805.12 = 11,870.74 : x
  2. Step 2: Convert to fraction form
    19,422.98/26,805.12 = 11,870.74/x
  3. Step 3: Cross multiply
    19,422.98x = 26,805.12 × 11,870.74
  4. Step 4: Simplify right side
    19,422.98x = 318,196,610.19
  5. Step 5: Solve for x
    x = 318,196,610.19/19,422.98
  6. Step 6: Final answer
    x = 16,382.48

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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.