Home / 13,013.02-19,425.38-11,436.58

Finding the Fourth Proportional to 13,013.02, 19,425.38 and 11,436.58

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Solution

The fourth proportional to 13,013.02, 19,425.38 and 11,436.58 is: 17,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.02 : 19,425.38 = 11,436.58 : x
  2. Step 2: Convert to fraction form
    13,013.02/19,425.38 = 11,436.58/x
  3. Step 3: Cross multiply
    13,013.02x = 19,425.38 × 11,436.58
  4. Step 4: Simplify right side
    13,013.02x = 222,159,912.40
  5. Step 5: Solve for x
    x = 222,159,912.40/13,013.02
  6. Step 6: Final answer
    x = 17,072.13

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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.