Home / 14,869.31-20,518.16-8,583.71

Finding the Fourth Proportional to 14,869.31, 20,518.16 and 8,583.71

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Solution

The fourth proportional to 14,869.31, 20,518.16 and 8,583.71 is: 11,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.31 : 20,518.16 = 8,583.71 : x
  2. Step 2: Convert to fraction form
    14,869.31/20,518.16 = 8,583.71/x
  3. Step 3: Cross multiply
    14,869.31x = 20,518.16 × 8,583.71
  4. Step 4: Simplify right side
    14,869.31x = 176,121,935.17
  5. Step 5: Solve for x
    x = 176,121,935.17/14,869.31
  6. Step 6: Final answer
    x = 11,844.66

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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.