Home / 15,912.71-23,869.08-4,225.64

Finding the Fourth Proportional to 15,912.71, 23,869.08 and 4,225.64

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Solution

The fourth proportional to 15,912.71, 23,869.08 and 4,225.64 is: 6,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.71 : 23,869.08 = 4,225.64 : x
  2. Step 2: Convert to fraction form
    15,912.71/23,869.08 = 4,225.64/x
  3. Step 3: Cross multiply
    15,912.71x = 23,869.08 × 4,225.64
  4. Step 4: Simplify right side
    15,912.71x = 100,862,139.21
  5. Step 5: Solve for x
    x = 100,862,139.21/15,912.71
  6. Step 6: Final answer
    x = 6,338.46

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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.