Home / 17,380.53-23,985.51-10,215.69

Finding the Fourth Proportional to 17,380.53, 23,985.51 and 10,215.69

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Solution

The fourth proportional to 17,380.53, 23,985.51 and 10,215.69 is: 14,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.53 : 23,985.51 = 10,215.69 : x
  2. Step 2: Convert to fraction form
    17,380.53/23,985.51 = 10,215.69/x
  3. Step 3: Cross multiply
    17,380.53x = 23,985.51 × 10,215.69
  4. Step 4: Simplify right side
    17,380.53x = 245,028,534.65
  5. Step 5: Solve for x
    x = 245,028,534.65/17,380.53
  6. Step 6: Final answer
    x = 14,097.87

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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.