Home / 22,678.41-31,285.31-14,723.13

Finding the Fourth Proportional to 22,678.41, 31,285.31 and 14,723.13

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Solution

The fourth proportional to 22,678.41, 31,285.31 and 14,723.13 is: 20,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.41 : 31,285.31 = 14,723.13 : x
  2. Step 2: Convert to fraction form
    22,678.41/31,285.31 = 14,723.13/x
  3. Step 3: Cross multiply
    22,678.41x = 31,285.31 × 14,723.13
  4. Step 4: Simplify right side
    22,678.41x = 460,617,612.60
  5. Step 5: Solve for x
    x = 460,617,612.60/22,678.41
  6. Step 6: Final answer
    x = 20,310.84

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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.