Home / 22,653.02-31,260.24-12,581.90

Finding the Fourth Proportional to 22,653.02, 31,260.24 and 12,581.90

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Solution

The fourth proportional to 22,653.02, 31,260.24 and 12,581.90 is: 17,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.02 : 31,260.24 = 12,581.90 : x
  2. Step 2: Convert to fraction form
    22,653.02/31,260.24 = 12,581.90/x
  3. Step 3: Cross multiply
    22,653.02x = 31,260.24 × 12,581.90
  4. Step 4: Simplify right side
    22,653.02x = 393,313,213.66
  5. Step 5: Solve for x
    x = 393,313,213.66/22,653.02
  6. Step 6: Final answer
    x = 17,362.51

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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.