Home / 25,185.72-34,759.44-14,428.50

Finding the Fourth Proportional to 25,185.72, 34,759.44 and 14,428.50

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Solution

The fourth proportional to 25,185.72, 34,759.44 and 14,428.50 is: 19,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.72 : 34,759.44 = 14,428.50 : x
  2. Step 2: Convert to fraction form
    25,185.72/34,759.44 = 14,428.50/x
  3. Step 3: Cross multiply
    25,185.72x = 34,759.44 × 14,428.50
  4. Step 4: Simplify right side
    25,185.72x = 501,526,580.04
  5. Step 5: Solve for x
    x = 501,526,580.04/25,185.72
  6. Step 6: Final answer
    x = 19,913.13

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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.