Home / 14,016.63-19,332-8,981.33

Finding the Fourth Proportional to 14,016.63, 19,332 and 8,981.33

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Solution

The fourth proportional to 14,016.63, 19,332 and 8,981.33 is: 12,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.63 : 19,332 = 8,981.33 : x
  2. Step 2: Convert to fraction form
    14,016.63/19,332 = 8,981.33/x
  3. Step 3: Cross multiply
    14,016.63x = 19,332 × 8,981.33
  4. Step 4: Simplify right side
    14,016.63x = 173,626,974.90
  5. Step 5: Solve for x
    x = 173,626,974.90/14,016.63
  6. Step 6: Final answer
    x = 12,387.21

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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.