Home / 14,244.51-19,658.57-7,871.66

Finding the Fourth Proportional to 14,244.51, 19,658.57 and 7,871.66

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Solution

The fourth proportional to 14,244.51, 19,658.57 and 7,871.66 is: 10,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.51 : 19,658.57 = 7,871.66 : x
  2. Step 2: Convert to fraction form
    14,244.51/19,658.57 = 7,871.66/x
  3. Step 3: Cross multiply
    14,244.51x = 19,658.57 × 7,871.66
  4. Step 4: Simplify right side
    14,244.51x = 154,745,579.13
  5. Step 5: Solve for x
    x = 154,745,579.13/14,244.51
  6. Step 6: Final answer
    x = 10,863.52

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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.