Home / 17,211.85-23,750.40-9,657.19

Finding the Fourth Proportional to 17,211.85, 23,750.40 and 9,657.19

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Solution

The fourth proportional to 17,211.85, 23,750.40 and 9,657.19 is: 13,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.85 : 23,750.40 = 9,657.19 : x
  2. Step 2: Convert to fraction form
    17,211.85/23,750.40 = 9,657.19/x
  3. Step 3: Cross multiply
    17,211.85x = 23,750.40 × 9,657.19
  4. Step 4: Simplify right side
    17,211.85x = 229,362,125.38
  5. Step 5: Solve for x
    x = 229,362,125.38/17,211.85
  6. Step 6: Final answer
    x = 13,325.83

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Half scale
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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.