Home / 18,582.30-27,828-16,783.14

Finding the Fourth Proportional to 18,582.30, 27,828 and 16,783.14

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Solution

The fourth proportional to 18,582.30, 27,828 and 16,783.14 is: 25,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.30 : 27,828 = 16,783.14 : x
  2. Step 2: Convert to fraction form
    18,582.30/27,828 = 16,783.14/x
  3. Step 3: Cross multiply
    18,582.30x = 27,828 × 16,783.14
  4. Step 4: Simplify right side
    18,582.30x = 467,041,219.92
  5. Step 5: Solve for x
    x = 467,041,219.92/18,582.30
  6. Step 6: Final answer
    x = 25,133.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.