Home / 18,827.55-25,981.62-10,444.05

Finding the Fourth Proportional to 18,827.55, 25,981.62 and 10,444.05

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Solution

The fourth proportional to 18,827.55, 25,981.62 and 10,444.05 is: 14,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.55 : 25,981.62 = 10,444.05 : x
  2. Step 2: Convert to fraction form
    18,827.55/25,981.62 = 10,444.05/x
  3. Step 3: Cross multiply
    18,827.55x = 25,981.62 × 10,444.05
  4. Step 4: Simplify right side
    18,827.55x = 271,353,338.36
  5. Step 5: Solve for x
    x = 271,353,338.36/18,827.55
  6. Step 6: Final answer
    x = 14,412.57

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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.