Home / 25,290.20-37,940.58-9,707.72

Finding the Fourth Proportional to 25,290.20, 37,940.58 and 9,707.72

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Solution

The fourth proportional to 25,290.20, 37,940.58 and 9,707.72 is: 14,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.20 : 37,940.58 = 9,707.72 : x
  2. Step 2: Convert to fraction form
    25,290.20/37,940.58 = 9,707.72/x
  3. Step 3: Cross multiply
    25,290.20x = 37,940.58 × 9,707.72
  4. Step 4: Simplify right side
    25,290.20x = 368,316,527.28
  5. Step 5: Solve for x
    x = 368,316,527.28/25,290.20
  6. Step 6: Final answer
    x = 14,563.61

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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.