Home / 23,690.88-32,671.35-15,725.34

Finding the Fourth Proportional to 23,690.88, 32,671.35 and 15,725.34

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Solution

The fourth proportional to 23,690.88, 32,671.35 and 15,725.34 is: 21,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.88 : 32,671.35 = 15,725.34 : x
  2. Step 2: Convert to fraction form
    23,690.88/32,671.35 = 15,725.34/x
  3. Step 3: Cross multiply
    23,690.88x = 32,671.35 × 15,725.34
  4. Step 4: Simplify right side
    23,690.88x = 513,768,087.01
  5. Step 5: Solve for x
    x = 513,768,087.01/23,690.88
  6. Step 6: Final answer
    x = 21,686.32

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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.