Home / 23,870.55-35,806.53-11,391.90

Finding the Fourth Proportional to 23,870.55, 35,806.53 and 11,391.90

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Solution

The fourth proportional to 23,870.55, 35,806.53 and 11,391.90 is: 17,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,870.55 : 35,806.53 = 11,391.90 : x
  2. Step 2: Convert to fraction form
    23,870.55/35,806.53 = 11,391.90/x
  3. Step 3: Cross multiply
    23,870.55x = 35,806.53 × 11,391.90
  4. Step 4: Simplify right side
    23,870.55x = 407,904,409.11
  5. Step 5: Solve for x
    x = 407,904,409.11/23,870.55
  6. Step 6: Final answer
    x = 17,088.19

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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.