Home / 18,122.22-25,011.81-10,572.96

Finding the Fourth Proportional to 18,122.22, 25,011.81 and 10,572.96

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Solution

The fourth proportional to 18,122.22, 25,011.81 and 10,572.96 is: 14,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.22 : 25,011.81 = 10,572.96 : x
  2. Step 2: Convert to fraction form
    18,122.22/25,011.81 = 10,572.96/x
  3. Step 3: Cross multiply
    18,122.22x = 25,011.81 × 10,572.96
  4. Step 4: Simplify right side
    18,122.22x = 264,448,866.66
  5. Step 5: Solve for x
    x = 264,448,866.66/18,122.22
  6. Step 6: Final answer
    x = 14,592.52

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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.