Home / 17,847.40-24,629.62-9,889.72

Finding the Fourth Proportional to 17,847.40, 24,629.62 and 9,889.72

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Solution

The fourth proportional to 17,847.40, 24,629.62 and 9,889.72 is: 13,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,847.40 : 24,629.62 = 9,889.72 : x
  2. Step 2: Convert to fraction form
    17,847.40/24,629.62 = 9,889.72/x
  3. Step 3: Cross multiply
    17,847.40x = 24,629.62 × 9,889.72
  4. Step 4: Simplify right side
    17,847.40x = 243,580,045.51
  5. Step 5: Solve for x
    x = 243,580,045.51/17,847.40
  6. Step 6: Final answer
    x = 13,647.93

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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.