Home / 14,244.50-19,657.33-7,871.09

Finding the Fourth Proportional to 14,244.50, 19,657.33 and 7,871.09

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Solution

The fourth proportional to 14,244.50, 19,657.33 and 7,871.09 is: 10,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.50 : 19,657.33 = 7,871.09 : x
  2. Step 2: Convert to fraction form
    14,244.50/19,657.33 = 7,871.09/x
  3. Step 3: Cross multiply
    14,244.50x = 19,657.33 × 7,871.09
  4. Step 4: Simplify right side
    14,244.50x = 154,724,613.59
  5. Step 5: Solve for x
    x = 154,724,613.59/14,244.50
  6. Step 6: Final answer
    x = 10,862.06

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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.