Home / 22,022.61-30,392.70-12,462.50

Finding the Fourth Proportional to 22,022.61, 30,392.70 and 12,462.50

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Solution

The fourth proportional to 22,022.61, 30,392.70 and 12,462.50 is: 17,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.61 : 30,392.70 = 12,462.50 : x
  2. Step 2: Convert to fraction form
    22,022.61/30,392.70 = 12,462.50/x
  3. Step 3: Cross multiply
    22,022.61x = 30,392.70 × 12,462.50
  4. Step 4: Simplify right side
    22,022.61x = 378,769,023.75
  5. Step 5: Solve for x
    x = 378,769,023.75/22,022.61
  6. Step 6: Final answer
    x = 17,199.10

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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.