Home / 14,133.42-21,175.83-9,965.97

Finding the Fourth Proportional to 14,133.42, 21,175.83 and 9,965.97

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Solution

The fourth proportional to 14,133.42, 21,175.83 and 9,965.97 is: 14,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.42 : 21,175.83 = 9,965.97 : x
  2. Step 2: Convert to fraction form
    14,133.42/21,175.83 = 9,965.97/x
  3. Step 3: Cross multiply
    14,133.42x = 21,175.83 × 9,965.97
  4. Step 4: Simplify right side
    14,133.42x = 211,037,686.51
  5. Step 5: Solve for x
    x = 211,037,686.51/14,133.42
  6. Step 6: Final answer
    x = 14,931.82

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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.