Home / 22,392.45-30,875.94-14,315.31

Finding the Fourth Proportional to 22,392.45, 30,875.94 and 14,315.31

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Solution

The fourth proportional to 22,392.45, 30,875.94 and 14,315.31 is: 19,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.45 : 30,875.94 = 14,315.31 : x
  2. Step 2: Convert to fraction form
    22,392.45/30,875.94 = 14,315.31/x
  3. Step 3: Cross multiply
    22,392.45x = 30,875.94 × 14,315.31
  4. Step 4: Simplify right side
    22,392.45x = 441,998,652.64
  5. Step 5: Solve for x
    x = 441,998,652.64/22,392.45
  6. Step 6: Final answer
    x = 19,738.74

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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.