Home / 23,780.77-32,817.06-13,170.18

Finding the Fourth Proportional to 23,780.77, 32,817.06 and 13,170.18

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Solution

The fourth proportional to 23,780.77, 32,817.06 and 13,170.18 is: 18,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.77 : 32,817.06 = 13,170.18 : x
  2. Step 2: Convert to fraction form
    23,780.77/32,817.06 = 13,170.18/x
  3. Step 3: Cross multiply
    23,780.77x = 32,817.06 × 13,170.18
  4. Step 4: Simplify right side
    23,780.77x = 432,206,423.19
  5. Step 5: Solve for x
    x = 432,206,423.19/23,780.77
  6. Step 6: Final answer
    x = 18,174.62

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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.