Home / 19,473.90-26,876.46-12,765.18

Finding the Fourth Proportional to 19,473.90, 26,876.46 and 12,765.18

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Solution

The fourth proportional to 19,473.90, 26,876.46 and 12,765.18 is: 17,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.90 : 26,876.46 = 12,765.18 : x
  2. Step 2: Convert to fraction form
    19,473.90/26,876.46 = 12,765.18/x
  3. Step 3: Cross multiply
    19,473.90x = 26,876.46 × 12,765.18
  4. Step 4: Simplify right side
    19,473.90x = 343,082,849.66
  5. Step 5: Solve for x
    x = 343,082,849.66/19,473.90
  6. Step 6: Final answer
    x = 17,617.57

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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.