Home / 15,421.24-23,133.21-4,328.02

Finding the Fourth Proportional to 15,421.24, 23,133.21 and 4,328.02

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Solution

The fourth proportional to 15,421.24, 23,133.21 and 4,328.02 is: 6,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.24 : 23,133.21 = 4,328.02 : x
  2. Step 2: Convert to fraction form
    15,421.24/23,133.21 = 4,328.02/x
  3. Step 3: Cross multiply
    15,421.24x = 23,133.21 × 4,328.02
  4. Step 4: Simplify right side
    15,421.24x = 100,120,995.54
  5. Step 5: Solve for x
    x = 100,120,995.54/15,421.24
  6. Step 6: Final answer
    x = 6,492.41

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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.