Home / 19,083.02-26,306.70-13,400.60

Finding the Fourth Proportional to 19,083.02, 26,306.70 and 13,400.60

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Solution

The fourth proportional to 19,083.02, 26,306.70 and 13,400.60 is: 18,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.02 : 26,306.70 = 13,400.60 : x
  2. Step 2: Convert to fraction form
    19,083.02/26,306.70 = 13,400.60/x
  3. Step 3: Cross multiply
    19,083.02x = 26,306.70 × 13,400.60
  4. Step 4: Simplify right side
    19,083.02x = 352,525,564.02
  5. Step 5: Solve for x
    x = 352,525,564.02/19,083.02
  6. Step 6: Final answer
    x = 18,473.26

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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.