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Finding the Fourth Proportional to 18,156.40, 25,051.41 and 10,598.42

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Solution

The fourth proportional to 18,156.40, 25,051.41 and 10,598.42 is: 14,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.40 : 25,051.41 = 10,598.42 : x
  2. Step 2: Convert to fraction form
    18,156.40/25,051.41 = 10,598.42/x
  3. Step 3: Cross multiply
    18,156.40x = 25,051.41 × 10,598.42
  4. Step 4: Simplify right side
    18,156.40x = 265,505,427.40
  5. Step 5: Solve for x
    x = 265,505,427.40/18,156.40
  6. Step 6: Final answer
    x = 14,623.24

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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.