Home / 23,890.77-32,965.65-13,817.21

Finding the Fourth Proportional to 23,890.77, 32,965.65 and 13,817.21

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Solution

The fourth proportional to 23,890.77, 32,965.65 and 13,817.21 is: 19,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890.77 : 32,965.65 = 13,817.21 : x
  2. Step 2: Convert to fraction form
    23,890.77/32,965.65 = 13,817.21/x
  3. Step 3: Cross multiply
    23,890.77x = 32,965.65 × 13,817.21
  4. Step 4: Simplify right side
    23,890.77x = 455,493,144.01
  5. Step 5: Solve for x
    x = 455,493,144.01/23,890.77
  6. Step 6: Final answer
    x = 19,065.65

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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.