Home / 22,654.40-31,263.08-12,583.79

Finding the Fourth Proportional to 22,654.40, 31,263.08 and 12,583.79

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Solution

The fourth proportional to 22,654.40, 31,263.08 and 12,583.79 is: 17,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.40 : 31,263.08 = 12,583.79 : x
  2. Step 2: Convert to fraction form
    22,654.40/31,263.08 = 12,583.79/x
  3. Step 3: Cross multiply
    22,654.40x = 31,263.08 × 12,583.79
  4. Step 4: Simplify right side
    22,654.40x = 393,407,814.24
  5. Step 5: Solve for x
    x = 393,407,814.24/22,654.40
  6. Step 6: Final answer
    x = 17,365.62

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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.