Home / 22,905.37-31,620.45-14,411.62

Finding the Fourth Proportional to 22,905.37, 31,620.45 and 14,411.62

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Solution

The fourth proportional to 22,905.37, 31,620.45 and 14,411.62 is: 19,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.37 : 31,620.45 = 14,411.62 : x
  2. Step 2: Convert to fraction form
    22,905.37/31,620.45 = 14,411.62/x
  3. Step 3: Cross multiply
    22,905.37x = 31,620.45 × 14,411.62
  4. Step 4: Simplify right side
    22,905.37x = 455,701,909.63
  5. Step 5: Solve for x
    x = 455,701,909.63/22,905.37
  6. Step 6: Final answer
    x = 19,894.98

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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.