Home / 26,555.10-36,644.72-14,618.13

Finding the Fourth Proportional to 26,555.10, 36,644.72 and 14,618.13

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Solution

The fourth proportional to 26,555.10, 36,644.72 and 14,618.13 is: 20,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.10 : 36,644.72 = 14,618.13 : x
  2. Step 2: Convert to fraction form
    26,555.10/36,644.72 = 14,618.13/x
  3. Step 3: Cross multiply
    26,555.10x = 36,644.72 × 14,618.13
  4. Step 4: Simplify right side
    26,555.10x = 535,677,207.68
  5. Step 5: Solve for x
    x = 535,677,207.68/26,555.10
  6. Step 6: Final answer
    x = 20,172.29

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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.