Home / 14,283.07-19,708.29-8,974.13

Finding the Fourth Proportional to 14,283.07, 19,708.29 and 8,974.13

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Solution

The fourth proportional to 14,283.07, 19,708.29 and 8,974.13 is: 12,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.07 : 19,708.29 = 8,974.13 : x
  2. Step 2: Convert to fraction form
    14,283.07/19,708.29 = 8,974.13/x
  3. Step 3: Cross multiply
    14,283.07x = 19,708.29 × 8,974.13
  4. Step 4: Simplify right side
    14,283.07x = 176,864,658.00
  5. Step 5: Solve for x
    x = 176,864,658.00/14,283.07
  6. Step 6: Final answer
    x = 12,382.82

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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.