Home / 19,361.54-26,714.81-12,657.02

Finding the Fourth Proportional to 19,361.54, 26,714.81 and 12,657.02

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Solution

The fourth proportional to 19,361.54, 26,714.81 and 12,657.02 is: 17,463.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.54 : 26,714.81 = 12,657.02 : x
  2. Step 2: Convert to fraction form
    19,361.54/26,714.81 = 12,657.02/x
  3. Step 3: Cross multiply
    19,361.54x = 26,714.81 × 12,657.02
  4. Step 4: Simplify right side
    19,361.54x = 338,129,782.53
  5. Step 5: Solve for x
    x = 338,129,782.53/19,361.54
  6. Step 6: Final answer
    x = 17,463.99

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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.