Home / 31,254.67-43,132.64-17,828.11

Finding the Fourth Proportional to 31,254.67, 43,132.64 and 17,828.11

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Solution

The fourth proportional to 31,254.67, 43,132.64 and 17,828.11 is: 24,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.67 : 43,132.64 = 17,828.11 : x
  2. Step 2: Convert to fraction form
    31,254.67/43,132.64 = 17,828.11/x
  3. Step 3: Cross multiply
    31,254.67x = 43,132.64 × 17,828.11
  4. Step 4: Simplify right side
    31,254.67x = 768,973,361.37
  5. Step 5: Solve for x
    x = 768,973,361.37/31,254.67
  6. Step 6: Final answer
    x = 24,603.47

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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.