Home / 23,922.80-33,013.40-13,312.20

Finding the Fourth Proportional to 23,922.80, 33,013.40 and 13,312.20

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Solution

The fourth proportional to 23,922.80, 33,013.40 and 13,312.20 is: 18,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,922.80 : 33,013.40 = 13,312.20 : x
  2. Step 2: Convert to fraction form
    23,922.80/33,013.40 = 13,312.20/x
  3. Step 3: Cross multiply
    23,922.80x = 33,013.40 × 13,312.20
  4. Step 4: Simplify right side
    23,922.80x = 439,480,983.48
  5. Step 5: Solve for x
    x = 439,480,983.48/23,922.80
  6. Step 6: Final answer
    x = 18,370.80

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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.