Home / 19,577.53-27,030-11,622.31

Finding the Fourth Proportional to 19,577.53, 27,030 and 11,622.31

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Solution

The fourth proportional to 19,577.53, 27,030 and 11,622.31 is: 16,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.53 : 27,030 = 11,622.31 : x
  2. Step 2: Convert to fraction form
    19,577.53/27,030 = 11,622.31/x
  3. Step 3: Cross multiply
    19,577.53x = 27,030 × 11,622.31
  4. Step 4: Simplify right side
    19,577.53x = 314,151,039.30
  5. Step 5: Solve for x
    x = 314,151,039.30/19,577.53
  6. Step 6: Final answer
    x = 16,046.51

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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.