Home / 15,952.67-22,011.51-8,877.72

Finding the Fourth Proportional to 15,952.67, 22,011.51 and 8,877.72

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Solution

The fourth proportional to 15,952.67, 22,011.51 and 8,877.72 is: 12,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.67 : 22,011.51 = 8,877.72 : x
  2. Step 2: Convert to fraction form
    15,952.67/22,011.51 = 8,877.72/x
  3. Step 3: Cross multiply
    15,952.67x = 22,011.51 × 8,877.72
  4. Step 4: Simplify right side
    15,952.67x = 195,412,022.56
  5. Step 5: Solve for x
    x = 195,412,022.56/15,952.67
  6. Step 6: Final answer
    x = 12,249.49

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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.