Home / 22,653.18-31,260.34-12,582.28

Finding the Fourth Proportional to 22,653.18, 31,260.34 and 12,582.28

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Solution

The fourth proportional to 22,653.18, 31,260.34 and 12,582.28 is: 17,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.18 : 31,260.34 = 12,582.28 : x
  2. Step 2: Convert to fraction form
    22,653.18/31,260.34 = 12,582.28/x
  3. Step 3: Cross multiply
    22,653.18x = 31,260.34 × 12,582.28
  4. Step 4: Simplify right side
    22,653.18x = 393,326,350.78
  5. Step 5: Solve for x
    x = 393,326,350.78/22,653.18
  6. Step 6: Final answer
    x = 17,362.96

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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.