Home / 17,343.20-23,927.72-9,788.64

Finding the Fourth Proportional to 17,343.20, 23,927.72 and 9,788.64

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Solution

The fourth proportional to 17,343.20, 23,927.72 and 9,788.64 is: 13,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.20 : 23,927.72 = 9,788.64 : x
  2. Step 2: Convert to fraction form
    17,343.20/23,927.72 = 9,788.64/x
  3. Step 3: Cross multiply
    17,343.20x = 23,927.72 × 9,788.64
  4. Step 4: Simplify right side
    17,343.20x = 234,219,837.10
  5. Step 5: Solve for x
    x = 234,219,837.10/17,343.20
  6. Step 6: Final answer
    x = 13,505.00

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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.