Home / 17,731.90-24,470.40-9,774.46

Finding the Fourth Proportional to 17,731.90, 24,470.40 and 9,774.46

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Solution

The fourth proportional to 17,731.90, 24,470.40 and 9,774.46 is: 13,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.90 : 24,470.40 = 9,774.46 : x
  2. Step 2: Convert to fraction form
    17,731.90/24,470.40 = 9,774.46/x
  3. Step 3: Cross multiply
    17,731.90x = 24,470.40 × 9,774.46
  4. Step 4: Simplify right side
    17,731.90x = 239,184,945.98
  5. Step 5: Solve for x
    x = 239,184,945.98/17,731.90
  6. Step 6: Final answer
    x = 13,488.96

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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.