Home / 25,125.68-37,615.16-18,828.48

Finding the Fourth Proportional to 25,125.68, 37,615.16 and 18,828.48

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Solution

The fourth proportional to 25,125.68, 37,615.16 and 18,828.48 is: 28,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.68 : 37,615.16 = 18,828.48 : x
  2. Step 2: Convert to fraction form
    25,125.68/37,615.16 = 18,828.48/x
  3. Step 3: Cross multiply
    25,125.68x = 37,615.16 × 18,828.48
  4. Step 4: Simplify right side
    25,125.68x = 708,236,287.76
  5. Step 5: Solve for x
    x = 708,236,287.76/25,125.68
  6. Step 6: Final answer
    x = 28,187.75

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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.