Home / 19,134.72-26,371.20-14,407.68

Finding the Fourth Proportional to 19,134.72, 26,371.20 and 14,407.68

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Solution

The fourth proportional to 19,134.72, 26,371.20 and 14,407.68 is: 19,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.72 : 26,371.20 = 14,407.68 : x
  2. Step 2: Convert to fraction form
    19,134.72/26,371.20 = 14,407.68/x
  3. Step 3: Cross multiply
    19,134.72x = 26,371.20 × 14,407.68
  4. Step 4: Simplify right side
    19,134.72x = 379,947,810.82
  5. Step 5: Solve for x
    x = 379,947,810.82/19,134.72
  6. Step 6: Final answer
    x = 19,856.46

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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.