Home / 19,152.44-26,428.98-11,985.56

Finding the Fourth Proportional to 19,152.44, 26,428.98 and 11,985.56

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Solution

The fourth proportional to 19,152.44, 26,428.98 and 11,985.56 is: 16,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.44 : 26,428.98 = 11,985.56 : x
  2. Step 2: Convert to fraction form
    19,152.44/26,428.98 = 11,985.56/x
  3. Step 3: Cross multiply
    19,152.44x = 26,428.98 × 11,985.56
  4. Step 4: Simplify right side
    19,152.44x = 316,766,125.53
  5. Step 5: Solve for x
    x = 316,766,125.53/19,152.44
  6. Step 6: Final answer
    x = 16,539.20

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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.