Home / 15,558.40-23,341.24-9,561.16

Finding the Fourth Proportional to 15,558.40, 23,341.24 and 9,561.16

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Solution

The fourth proportional to 15,558.40, 23,341.24 and 9,561.16 is: 14,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.40 : 23,341.24 = 9,561.16 : x
  2. Step 2: Convert to fraction form
    15,558.40/23,341.24 = 9,561.16/x
  3. Step 3: Cross multiply
    15,558.40x = 23,341.24 × 9,561.16
  4. Step 4: Simplify right side
    15,558.40x = 223,169,213.53
  5. Step 5: Solve for x
    x = 223,169,213.53/15,558.40
  6. Step 6: Final answer
    x = 14,343.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.