Home / 23,740.72-32,761.63-13,130.12

Finding the Fourth Proportional to 23,740.72, 32,761.63 and 13,130.12

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Solution

The fourth proportional to 23,740.72, 32,761.63 and 13,130.12 is: 18,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.72 : 32,761.63 = 13,130.12 : x
  2. Step 2: Convert to fraction form
    23,740.72/32,761.63 = 13,130.12/x
  3. Step 3: Cross multiply
    23,740.72x = 32,761.63 × 13,130.12
  4. Step 4: Simplify right side
    23,740.72x = 430,164,231.61
  5. Step 5: Solve for x
    x = 430,164,231.61/23,740.72
  6. Step 6: Final answer
    x = 18,119.26

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1.5x scale

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.