Home / 19,471.77-26,871.05-10,519.27

Finding the Fourth Proportional to 19,471.77, 26,871.05 and 10,519.27

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Solution

The fourth proportional to 19,471.77, 26,871.05 and 10,519.27 is: 14,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.77 : 26,871.05 = 10,519.27 : x
  2. Step 2: Convert to fraction form
    19,471.77/26,871.05 = 10,519.27/x
  3. Step 3: Cross multiply
    19,471.77x = 26,871.05 × 10,519.27
  4. Step 4: Simplify right side
    19,471.77x = 282,663,830.13
  5. Step 5: Solve for x
    x = 282,663,830.13/19,471.77
  6. Step 6: Final answer
    x = 14,516.60

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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.