Home / 18,597.18-25,666.20-11,045.34

Finding the Fourth Proportional to 18,597.18, 25,666.20 and 11,045.34

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Solution

The fourth proportional to 18,597.18, 25,666.20 and 11,045.34 is: 15,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.18 : 25,666.20 = 11,045.34 : x
  2. Step 2: Convert to fraction form
    18,597.18/25,666.20 = 11,045.34/x
  3. Step 3: Cross multiply
    18,597.18x = 25,666.20 × 11,045.34
  4. Step 4: Simplify right side
    18,597.18x = 283,491,905.51
  5. Step 5: Solve for x
    x = 283,491,905.51/18,597.18
  6. Step 6: Final answer
    x = 15,243.81

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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.