Home / 18,087.84-24,961.10-10,130.05

Finding the Fourth Proportional to 18,087.84, 24,961.10 and 10,130.05

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Solution

The fourth proportional to 18,087.84, 24,961.10 and 10,130.05 is: 13,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.84 : 24,961.10 = 10,130.05 : x
  2. Step 2: Convert to fraction form
    18,087.84/24,961.10 = 10,130.05/x
  3. Step 3: Cross multiply
    18,087.84x = 24,961.10 × 10,130.05
  4. Step 4: Simplify right side
    18,087.84x = 252,857,153.98
  5. Step 5: Solve for x
    x = 252,857,153.98/18,087.84
  6. Step 6: Final answer
    x = 13,979.40

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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.