Home / 14,837.84-20,476.46-8,123.36

Finding the Fourth Proportional to 14,837.84, 20,476.46 and 8,123.36

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Solution

The fourth proportional to 14,837.84, 20,476.46 and 8,123.36 is: 11,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.84 : 20,476.46 = 8,123.36 : x
  2. Step 2: Convert to fraction form
    14,837.84/20,476.46 = 8,123.36/x
  3. Step 3: Cross multiply
    14,837.84x = 20,476.46 × 8,123.36
  4. Step 4: Simplify right side
    14,837.84x = 166,337,513.11
  5. Step 5: Solve for x
    x = 166,337,513.11/14,837.84
  6. Step 6: Final answer
    x = 11,210.36

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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.