Home / 18,840.72-26,000.28-10,458.84

Finding the Fourth Proportional to 18,840.72, 26,000.28 and 10,458.84

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Solution

The fourth proportional to 18,840.72, 26,000.28 and 10,458.84 is: 14,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.72 : 26,000.28 = 10,458.84 : x
  2. Step 2: Convert to fraction form
    18,840.72/26,000.28 = 10,458.84/x
  3. Step 3: Cross multiply
    18,840.72x = 26,000.28 × 10,458.84
  4. Step 4: Simplify right side
    18,840.72x = 271,932,768.48
  5. Step 5: Solve for x
    x = 271,932,768.48/18,840.72
  6. Step 6: Final answer
    x = 14,433.25

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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.