Home / 22,652.51-31,260.06-12,580.56

Finding the Fourth Proportional to 22,652.51, 31,260.06 and 12,580.56

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Solution

The fourth proportional to 22,652.51, 31,260.06 and 12,580.56 is: 17,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,652.51 : 31,260.06 = 12,580.56 : x
  2. Step 2: Convert to fraction form
    22,652.51/31,260.06 = 12,580.56/x
  3. Step 3: Cross multiply
    22,652.51x = 31,260.06 × 12,580.56
  4. Step 4: Simplify right side
    22,652.51x = 393,269,060.43
  5. Step 5: Solve for x
    x = 393,269,060.43/22,652.51
  6. Step 6: Final answer
    x = 17,360.95

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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.