Home / 18,765.23-25,840.91-16,775.06

Finding the Fourth Proportional to 18,765.23, 25,840.91 and 16,775.06

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Solution

The fourth proportional to 18,765.23, 25,840.91 and 16,775.06 is: 23,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.23 : 25,840.91 = 16,775.06 : x
  2. Step 2: Convert to fraction form
    18,765.23/25,840.91 = 16,775.06/x
  3. Step 3: Cross multiply
    18,765.23x = 25,840.91 × 16,775.06
  4. Step 4: Simplify right side
    18,765.23x = 433,482,731.83
  5. Step 5: Solve for x
    x = 433,482,731.83/18,765.23
  6. Step 6: Final answer
    x = 23,100.32

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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.