Home / 26,653.10-39,892.85-19,630.35

Finding the Fourth Proportional to 26,653.10, 39,892.85 and 19,630.35

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Solution

The fourth proportional to 26,653.10, 39,892.85 and 19,630.35 is: 29,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.10 : 39,892.85 = 19,630.35 : x
  2. Step 2: Convert to fraction form
    26,653.10/39,892.85 = 19,630.35/x
  3. Step 3: Cross multiply
    26,653.10x = 39,892.85 × 19,630.35
  4. Step 4: Simplify right side
    26,653.10x = 783,110,693.88
  5. Step 5: Solve for x
    x = 783,110,693.88/26,653.10
  6. Step 6: Final answer
    x = 29,381.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.