Home / 25,981.29-38,972.27-7,260.23

Finding the Fourth Proportional to 25,981.29, 38,972.27 and 7,260.23

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Solution

The fourth proportional to 25,981.29, 38,972.27 and 7,260.23 is: 10,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.29 : 38,972.27 = 7,260.23 : x
  2. Step 2: Convert to fraction form
    25,981.29/38,972.27 = 7,260.23/x
  3. Step 3: Cross multiply
    25,981.29x = 38,972.27 × 7,260.23
  4. Step 4: Simplify right side
    25,981.29x = 282,947,759.40
  5. Step 5: Solve for x
    x = 282,947,759.40/25,981.29
  6. Step 6: Final answer
    x = 10,890.44

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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.