Home / 23,903.89-32,988.16-13,149.21

Finding the Fourth Proportional to 23,903.89, 32,988.16 and 13,149.21

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Solution

The fourth proportional to 23,903.89, 32,988.16 and 13,149.21 is: 18,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,903.89 : 32,988.16 = 13,149.21 : x
  2. Step 2: Convert to fraction form
    23,903.89/32,988.16 = 13,149.21/x
  3. Step 3: Cross multiply
    23,903.89x = 32,988.16 × 13,149.21
  4. Step 4: Simplify right side
    23,903.89x = 433,768,243.35
  5. Step 5: Solve for x
    x = 433,768,243.35/23,903.89
  6. Step 6: Final answer
    x = 18,146.35

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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.