Home / 14,040.29-19,366.94-8,371.40

Finding the Fourth Proportional to 14,040.29, 19,366.94 and 8,371.40

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Solution

The fourth proportional to 14,040.29, 19,366.94 and 8,371.40 is: 11,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.29 : 19,366.94 = 8,371.40 : x
  2. Step 2: Convert to fraction form
    14,040.29/19,366.94 = 8,371.40/x
  3. Step 3: Cross multiply
    14,040.29x = 19,366.94 × 8,371.40
  4. Step 4: Simplify right side
    14,040.29x = 162,128,262.82
  5. Step 5: Solve for x
    x = 162,128,262.82/14,040.29
  6. Step 6: Final answer
    x = 11,547.36

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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.