Home / 25,345.26-38,015.76-7,815.24

Finding the Fourth Proportional to 25,345.26, 38,015.76 and 7,815.24

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Solution

The fourth proportional to 25,345.26, 38,015.76 and 7,815.24 is: 11,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.26 : 38,015.76 = 7,815.24 : x
  2. Step 2: Convert to fraction form
    25,345.26/38,015.76 = 7,815.24/x
  3. Step 3: Cross multiply
    25,345.26x = 38,015.76 × 7,815.24
  4. Step 4: Simplify right side
    25,345.26x = 297,102,288.18
  5. Step 5: Solve for x
    x = 297,102,288.18/25,345.26
  6. Step 6: Final answer
    x = 11,722.20

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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.