Home / 23,415.89-32,317.85-14,921.90

Finding the Fourth Proportional to 23,415.89, 32,317.85 and 14,921.90

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Solution

The fourth proportional to 23,415.89, 32,317.85 and 14,921.90 is: 20,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.89 : 32,317.85 = 14,921.90 : x
  2. Step 2: Convert to fraction form
    23,415.89/32,317.85 = 14,921.90/x
  3. Step 3: Cross multiply
    23,415.89x = 32,317.85 × 14,921.90
  4. Step 4: Simplify right side
    23,415.89x = 482,243,725.92
  5. Step 5: Solve for x
    x = 482,243,725.92/23,415.89
  6. Step 6: Final answer
    x = 20,594.72

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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.