Home / 22,362.08-30,864.12-12,933.68

Finding the Fourth Proportional to 22,362.08, 30,864.12 and 12,933.68

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Solution

The fourth proportional to 22,362.08, 30,864.12 and 12,933.68 is: 17,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.08 : 30,864.12 = 12,933.68 : x
  2. Step 2: Convert to fraction form
    22,362.08/30,864.12 = 12,933.68/x
  3. Step 3: Cross multiply
    22,362.08x = 30,864.12 × 12,933.68
  4. Step 4: Simplify right side
    22,362.08x = 399,186,651.56
  5. Step 5: Solve for x
    x = 399,186,651.56/22,362.08
  6. Step 6: Final answer
    x = 17,851.05

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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.