Home / 18,098.12-24,975.16-10,140.50

Finding the Fourth Proportional to 18,098.12, 24,975.16 and 10,140.50

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Solution

The fourth proportional to 18,098.12, 24,975.16 and 10,140.50 is: 13,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.12 : 24,975.16 = 10,140.50 : x
  2. Step 2: Convert to fraction form
    18,098.12/24,975.16 = 10,140.50/x
  3. Step 3: Cross multiply
    18,098.12x = 24,975.16 × 10,140.50
  4. Step 4: Simplify right side
    18,098.12x = 253,260,459.75
  5. Step 5: Solve for x
    x = 253,260,459.75/18,098.12
  6. Step 6: Final answer
    x = 13,993.75

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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.