Home / 22,455.14-30,990.75-13,024.04

Finding the Fourth Proportional to 22,455.14, 30,990.75 and 13,024.04

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Solution

The fourth proportional to 22,455.14, 30,990.75 and 13,024.04 is: 17,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.14 : 30,990.75 = 13,024.04 : x
  2. Step 2: Convert to fraction form
    22,455.14/30,990.75 = 13,024.04/x
  3. Step 3: Cross multiply
    22,455.14x = 30,990.75 × 13,024.04
  4. Step 4: Simplify right side
    22,455.14x = 403,624,767.63
  5. Step 5: Solve for x
    x = 403,624,767.63/22,455.14
  6. Step 6: Final answer
    x = 17,974.72

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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.