Home / 22,453.82-30,988.11-12,384.23

Finding the Fourth Proportional to 22,453.82, 30,988.11 and 12,384.23

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Solution

The fourth proportional to 22,453.82, 30,988.11 and 12,384.23 is: 17,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.82 : 30,988.11 = 12,384.23 : x
  2. Step 2: Convert to fraction form
    22,453.82/30,988.11 = 12,384.23/x
  3. Step 3: Cross multiply
    22,453.82x = 30,988.11 × 12,384.23
  4. Step 4: Simplify right side
    22,453.82x = 383,763,881.51
  5. Step 5: Solve for x
    x = 383,763,881.51/22,453.82
  6. Step 6: Final answer
    x = 17,091.25

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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.