Home / 23,740.16-32,760.78-13,130.24

Finding the Fourth Proportional to 23,740.16, 32,760.78 and 13,130.24

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Solution

The fourth proportional to 23,740.16, 32,760.78 and 13,130.24 is: 18,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.16 : 32,760.78 = 13,130.24 : x
  2. Step 2: Convert to fraction form
    23,740.16/32,760.78 = 13,130.24/x
  3. Step 3: Cross multiply
    23,740.16x = 32,760.78 × 13,130.24
  4. Step 4: Simplify right side
    23,740.16x = 430,156,903.99
  5. Step 5: Solve for x
    x = 430,156,903.99/23,740.16
  6. Step 6: Final answer
    x = 18,119.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.