Home / 22,113.23-30,515.95-12,553.03

Finding the Fourth Proportional to 22,113.23, 30,515.95 and 12,553.03

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Solution

The fourth proportional to 22,113.23, 30,515.95 and 12,553.03 is: 17,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.23 : 30,515.95 = 12,553.03 : x
  2. Step 2: Convert to fraction form
    22,113.23/30,515.95 = 12,553.03/x
  3. Step 3: Cross multiply
    22,113.23x = 30,515.95 × 12,553.03
  4. Step 4: Simplify right side
    22,113.23x = 383,067,577.36
  5. Step 5: Solve for x
    x = 383,067,577.36/22,113.23
  6. Step 6: Final answer
    x = 17,323.01

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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.