Home / 22,783.11-31,440.46-12,574.23

Finding the Fourth Proportional to 22,783.11, 31,440.46 and 12,574.23

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Solution

The fourth proportional to 22,783.11, 31,440.46 and 12,574.23 is: 17,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,783.11 : 31,440.46 = 12,574.23 : x
  2. Step 2: Convert to fraction form
    22,783.11/31,440.46 = 12,574.23/x
  3. Step 3: Cross multiply
    22,783.11x = 31,440.46 × 12,574.23
  4. Step 4: Simplify right side
    22,783.11x = 395,339,575.35
  5. Step 5: Solve for x
    x = 395,339,575.35/22,783.11
  6. Step 6: Final answer
    x = 17,352.31

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Double scale
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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.