Home / 19,426.56-26,808.76-11,472.71

Finding the Fourth Proportional to 19,426.56, 26,808.76 and 11,472.71

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Solution

The fourth proportional to 19,426.56, 26,808.76 and 11,472.71 is: 15,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.56 : 26,808.76 = 11,472.71 : x
  2. Step 2: Convert to fraction form
    19,426.56/26,808.76 = 11,472.71/x
  3. Step 3: Cross multiply
    19,426.56x = 26,808.76 × 11,472.71
  4. Step 4: Simplify right side
    19,426.56x = 307,569,128.94
  5. Step 5: Solve for x
    x = 307,569,128.94/19,426.56
  6. Step 6: Final answer
    x = 15,832.40

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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.