Home / 22,682.40-33,966.12-18,975.48

Finding the Fourth Proportional to 22,682.40, 33,966.12 and 18,975.48

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Solution

The fourth proportional to 22,682.40, 33,966.12 and 18,975.48 is: 28,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,682.40 : 33,966.12 = 18,975.48 : x
  2. Step 2: Convert to fraction form
    22,682.40/33,966.12 = 18,975.48/x
  3. Step 3: Cross multiply
    22,682.40x = 33,966.12 × 18,975.48
  4. Step 4: Simplify right side
    22,682.40x = 644,523,430.74
  5. Step 5: Solve for x
    x = 644,523,430.74/22,682.40
  6. Step 6: Final answer
    x = 28,415.13

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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.