Home / 35,670.73-53,509.63-13,187.29

Finding the Fourth Proportional to 35,670.73, 53,509.63 and 13,187.29

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Solution

The fourth proportional to 35,670.73, 53,509.63 and 13,187.29 is: 19,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.73 : 53,509.63 = 13,187.29 : x
  2. Step 2: Convert to fraction form
    35,670.73/53,509.63 = 13,187.29/x
  3. Step 3: Cross multiply
    35,670.73x = 53,509.63 × 13,187.29
  4. Step 4: Simplify right side
    35,670.73x = 705,646,942.67
  5. Step 5: Solve for x
    x = 705,646,942.67/35,670.73
  6. Step 6: Final answer
    x = 19,782.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.