Home / 18,082.79-27,123.72-5,602.31

Finding the Fourth Proportional to 18,082.79, 27,123.72 and 5,602.31

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Solution

The fourth proportional to 18,082.79, 27,123.72 and 5,602.31 is: 8,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.79 : 27,123.72 = 5,602.31 : x
  2. Step 2: Convert to fraction form
    18,082.79/27,123.72 = 5,602.31/x
  3. Step 3: Cross multiply
    18,082.79x = 27,123.72 × 5,602.31
  4. Step 4: Simplify right side
    18,082.79x = 151,955,352.17
  5. Step 5: Solve for x
    x = 151,955,352.17/18,082.79
  6. Step 6: Final answer
    x = 8,403.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.