Home / 14,864.70-20,496.33-11,878.50

Finding the Fourth Proportional to 14,864.70, 20,496.33 and 11,878.50

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Solution

The fourth proportional to 14,864.70, 20,496.33 and 11,878.50 is: 16,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.70 : 20,496.33 = 11,878.50 : x
  2. Step 2: Convert to fraction form
    14,864.70/20,496.33 = 11,878.50/x
  3. Step 3: Cross multiply
    14,864.70x = 20,496.33 × 11,878.50
  4. Step 4: Simplify right side
    14,864.70x = 243,465,655.91
  5. Step 5: Solve for x
    x = 243,465,655.91/14,864.70
  6. Step 6: Final answer
    x = 16,378.78

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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.