Home / 25,501.96-38,252.94-7,971.80

Finding the Fourth Proportional to 25,501.96, 38,252.94 and 7,971.80

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Solution

The fourth proportional to 25,501.96, 38,252.94 and 7,971.80 is: 11,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.96 : 38,252.94 = 7,971.80 : x
  2. Step 2: Convert to fraction form
    25,501.96/38,252.94 = 7,971.80/x
  3. Step 3: Cross multiply
    25,501.96x = 38,252.94 × 7,971.80
  4. Step 4: Simplify right side
    25,501.96x = 304,944,787.09
  5. Step 5: Solve for x
    x = 304,944,787.09/25,501.96
  6. Step 6: Final answer
    x = 11,957.70

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1.5x scale

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.