Home / 13,357.34-19,948.86-11,361.70

Finding the Fourth Proportional to 13,357.34, 19,948.86 and 11,361.70

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Solution

The fourth proportional to 13,357.34, 19,948.86 and 11,361.70 is: 16,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.34 : 19,948.86 = 11,361.70 : x
  2. Step 2: Convert to fraction form
    13,357.34/19,948.86 = 11,361.70/x
  3. Step 3: Cross multiply
    13,357.34x = 19,948.86 × 11,361.70
  4. Step 4: Simplify right side
    13,357.34x = 226,652,962.66
  5. Step 5: Solve for x
    x = 226,652,962.66/13,357.34
  6. Step 6: Final answer
    x = 16,968.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.