Home / 18,922.96-26,088.24-13,250.08

Finding the Fourth Proportional to 18,922.96, 26,088.24 and 13,250.08

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Solution

The fourth proportional to 18,922.96, 26,088.24 and 13,250.08 is: 18,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.96 : 26,088.24 = 13,250.08 : x
  2. Step 2: Convert to fraction form
    18,922.96/26,088.24 = 13,250.08/x
  3. Step 3: Cross multiply
    18,922.96x = 26,088.24 × 13,250.08
  4. Step 4: Simplify right side
    18,922.96x = 345,671,267.06
  5. Step 5: Solve for x
    x = 345,671,267.06/18,922.96
  6. Step 6: Final answer
    x = 18,267.29

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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.