Home / 25,121.68-37,512.74-21,842.32

Finding the Fourth Proportional to 25,121.68, 37,512.74 and 21,842.32

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Solution

The fourth proportional to 25,121.68, 37,512.74 and 21,842.32 is: 32,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.68 : 37,512.74 = 21,842.32 : x
  2. Step 2: Convert to fraction form
    25,121.68/37,512.74 = 21,842.32/x
  3. Step 3: Cross multiply
    25,121.68x = 37,512.74 × 21,842.32
  4. Step 4: Simplify right side
    25,121.68x = 819,365,271.16
  5. Step 5: Solve for x
    x = 819,365,271.16/25,121.68
  6. Step 6: Final answer
    x = 32,615.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.