Home / 23,311.84-32,161.12-15,357.92

Finding the Fourth Proportional to 23,311.84, 32,161.12 and 15,357.92

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Solution

The fourth proportional to 23,311.84, 32,161.12 and 15,357.92 is: 21,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.84 : 32,161.12 = 15,357.92 : x
  2. Step 2: Convert to fraction form
    23,311.84/32,161.12 = 15,357.92/x
  3. Step 3: Cross multiply
    23,311.84x = 32,161.12 × 15,357.92
  4. Step 4: Simplify right side
    23,311.84x = 493,927,908.07
  5. Step 5: Solve for x
    x = 493,927,908.07/23,311.84
  6. Step 6: Final answer
    x = 21,187.86

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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.