Home / 19,027.71-26,249.31-12,657.42

Finding the Fourth Proportional to 19,027.71, 26,249.31 and 12,657.42

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Solution

The fourth proportional to 19,027.71, 26,249.31 and 12,657.42 is: 17,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.71 : 26,249.31 = 12,657.42 : x
  2. Step 2: Convert to fraction form
    19,027.71/26,249.31 = 12,657.42/x
  3. Step 3: Cross multiply
    19,027.71x = 26,249.31 × 12,657.42
  4. Step 4: Simplify right side
    19,027.71x = 332,248,541.38
  5. Step 5: Solve for x
    x = 332,248,541.38/19,027.71
  6. Step 6: Final answer
    x = 17,461.30

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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.