Home / 22,039.94-30,398.68-14,384.90

Finding the Fourth Proportional to 22,039.94, 30,398.68 and 14,384.90

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Solution

The fourth proportional to 22,039.94, 30,398.68 and 14,384.90 is: 19,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.94 : 30,398.68 = 14,384.90 : x
  2. Step 2: Convert to fraction form
    22,039.94/30,398.68 = 14,384.90/x
  3. Step 3: Cross multiply
    22,039.94x = 30,398.68 × 14,384.90
  4. Step 4: Simplify right side
    22,039.94x = 437,281,971.93
  5. Step 5: Solve for x
    x = 437,281,971.93/22,039.94
  6. Step 6: Final answer
    x = 19,840.43

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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.