Home / 14,153.82-19,535.49-8,777.45

Finding the Fourth Proportional to 14,153.82, 19,535.49 and 8,777.45

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Solution

The fourth proportional to 14,153.82, 19,535.49 and 8,777.45 is: 12,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.82 : 19,535.49 = 8,777.45 : x
  2. Step 2: Convert to fraction form
    14,153.82/19,535.49 = 8,777.45/x
  3. Step 3: Cross multiply
    14,153.82x = 19,535.49 × 8,777.45
  4. Step 4: Simplify right side
    14,153.82x = 171,471,689.02
  5. Step 5: Solve for x
    x = 171,471,689.02/14,153.82
  6. Step 6: Final answer
    x = 12,114.87

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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.