Home / 19,555.41-26,985.80-11,592.91

Finding the Fourth Proportional to 19,555.41, 26,985.80 and 11,592.91

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Solution

The fourth proportional to 19,555.41, 26,985.80 and 11,592.91 is: 15,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.41 : 26,985.80 = 11,592.91 : x
  2. Step 2: Convert to fraction form
    19,555.41/26,985.80 = 11,592.91/x
  3. Step 3: Cross multiply
    19,555.41x = 26,985.80 × 11,592.91
  4. Step 4: Simplify right side
    19,555.41x = 312,843,950.68
  5. Step 5: Solve for x
    x = 312,843,950.68/19,555.41
  6. Step 6: Final answer
    x = 15,997.82

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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.