Home / 18,394.97-27,439.73-17,779.98

Finding the Fourth Proportional to 18,394.97, 27,439.73 and 17,779.98

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Solution

The fourth proportional to 18,394.97, 27,439.73 and 17,779.98 is: 26,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.97 : 27,439.73 = 17,779.98 : x
  2. Step 2: Convert to fraction form
    18,394.97/27,439.73 = 17,779.98/x
  3. Step 3: Cross multiply
    18,394.97x = 27,439.73 × 17,779.98
  4. Step 4: Simplify right side
    18,394.97x = 487,877,792.16
  5. Step 5: Solve for x
    x = 487,877,792.16/18,394.97
  6. Step 6: Final answer
    x = 26,522.35

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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.