Home / 18,224.79-25,156.02-11,840.14

Finding the Fourth Proportional to 18,224.79, 25,156.02 and 11,840.14

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Solution

The fourth proportional to 18,224.79, 25,156.02 and 11,840.14 is: 16,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.79 : 25,156.02 = 11,840.14 : x
  2. Step 2: Convert to fraction form
    18,224.79/25,156.02 = 11,840.14/x
  3. Step 3: Cross multiply
    18,224.79x = 25,156.02 × 11,840.14
  4. Step 4: Simplify right side
    18,224.79x = 297,850,798.64
  5. Step 5: Solve for x
    x = 297,850,798.64/18,224.79
  6. Step 6: Final answer
    x = 16,343.17

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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.