Home / 19,631.61-27,082.69-11,669.31

Finding the Fourth Proportional to 19,631.61, 27,082.69 and 11,669.31

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Solution

The fourth proportional to 19,631.61, 27,082.69 and 11,669.31 is: 16,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.61 : 27,082.69 = 11,669.31 : x
  2. Step 2: Convert to fraction form
    19,631.61/27,082.69 = 11,669.31/x
  3. Step 3: Cross multiply
    19,631.61x = 27,082.69 × 11,669.31
  4. Step 4: Simplify right side
    19,631.61x = 316,036,276.07
  5. Step 5: Solve for x
    x = 316,036,276.07/19,631.61
  6. Step 6: Final answer
    x = 16,098.34

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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.