Home / 22,670.60-31,283.92-12,598.28

Finding the Fourth Proportional to 22,670.60, 31,283.92 and 12,598.28

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Solution

The fourth proportional to 22,670.60, 31,283.92 and 12,598.28 is: 17,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.60 : 31,283.92 = 12,598.28 : x
  2. Step 2: Convert to fraction form
    22,670.60/31,283.92 = 12,598.28/x
  3. Step 3: Cross multiply
    22,670.60x = 31,283.92 × 12,598.28
  4. Step 4: Simplify right side
    22,670.60x = 394,123,583.66
  5. Step 5: Solve for x
    x = 394,123,583.66/22,670.60
  6. Step 6: Final answer
    x = 17,384.79

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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.