Home / 14,983.79-20,666.95-10,508.54

Finding the Fourth Proportional to 14,983.79, 20,666.95 and 10,508.54

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Solution

The fourth proportional to 14,983.79, 20,666.95 and 10,508.54 is: 14,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.79 : 20,666.95 = 10,508.54 : x
  2. Step 2: Convert to fraction form
    14,983.79/20,666.95 = 10,508.54/x
  3. Step 3: Cross multiply
    14,983.79x = 20,666.95 × 10,508.54
  4. Step 4: Simplify right side
    14,983.79x = 217,179,341.15
  5. Step 5: Solve for x
    x = 217,179,341.15/14,983.79
  6. Step 6: Final answer
    x = 14,494.29

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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.