Home / 20,615.19-30,925.35-6,571.41

Finding the Fourth Proportional to 20,615.19, 30,925.35 and 6,571.41

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Solution

The fourth proportional to 20,615.19, 30,925.35 and 6,571.41 is: 9,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.19 : 30,925.35 = 6,571.41 : x
  2. Step 2: Convert to fraction form
    20,615.19/30,925.35 = 6,571.41/x
  3. Step 3: Cross multiply
    20,615.19x = 30,925.35 × 6,571.41
  4. Step 4: Simplify right side
    20,615.19x = 203,223,154.24
  5. Step 5: Solve for x
    x = 203,223,154.24/20,615.19
  6. Step 6: Final answer
    x = 9,857.93

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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.