Home / 19,471.55-26,870.72-10,519.04

Finding the Fourth Proportional to 19,471.55, 26,870.72 and 10,519.04

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Solution

The fourth proportional to 19,471.55, 26,870.72 and 10,519.04 is: 14,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.55 : 26,870.72 = 10,519.04 : x
  2. Step 2: Convert to fraction form
    19,471.55/26,870.72 = 10,519.04/x
  3. Step 3: Cross multiply
    19,471.55x = 26,870.72 × 10,519.04
  4. Step 4: Simplify right side
    19,471.55x = 282,654,193.09
  5. Step 5: Solve for x
    x = 282,654,193.09/19,471.55
  6. Step 6: Final answer
    x = 14,516.27

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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.