Home / 15,297.96-21,102.24-9,623.76

Finding the Fourth Proportional to 15,297.96, 21,102.24 and 9,623.76

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Solution

The fourth proportional to 15,297.96, 21,102.24 and 9,623.76 is: 13,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.96 : 21,102.24 = 9,623.76 : x
  2. Step 2: Convert to fraction form
    15,297.96/21,102.24 = 9,623.76/x
  3. Step 3: Cross multiply
    15,297.96x = 21,102.24 × 9,623.76
  4. Step 4: Simplify right side
    15,297.96x = 203,082,893.22
  5. Step 5: Solve for x
    x = 203,082,893.22/15,297.96
  6. Step 6: Final answer
    x = 13,275.16

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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.