Home / 18,813.68-25,953.48-12,010.88

Finding the Fourth Proportional to 18,813.68, 25,953.48 and 12,010.88

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Solution

The fourth proportional to 18,813.68, 25,953.48 and 12,010.88 is: 16,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.68 : 25,953.48 = 12,010.88 : x
  2. Step 2: Convert to fraction form
    18,813.68/25,953.48 = 12,010.88/x
  3. Step 3: Cross multiply
    18,813.68x = 25,953.48 × 12,010.88
  4. Step 4: Simplify right side
    18,813.68x = 311,724,133.86
  5. Step 5: Solve for x
    x = 311,724,133.86/18,813.68
  6. Step 6: Final answer
    x = 16,569.01

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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.