Home / 25,620.75-38,437.62-7,152.75

Finding the Fourth Proportional to 25,620.75, 38,437.62 and 7,152.75

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Solution

The fourth proportional to 25,620.75, 38,437.62 and 7,152.75 is: 10,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.75 : 38,437.62 = 7,152.75 : x
  2. Step 2: Convert to fraction form
    25,620.75/38,437.62 = 7,152.75/x
  3. Step 3: Cross multiply
    25,620.75x = 38,437.62 × 7,152.75
  4. Step 4: Simplify right side
    25,620.75x = 274,934,686.46
  5. Step 5: Solve for x
    x = 274,934,686.46/25,620.75
  6. Step 6: Final answer
    x = 10,730.94

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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.