Home / 23,155.16-31,955.36-13,084.02

Finding the Fourth Proportional to 23,155.16, 31,955.36 and 13,084.02

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Solution

The fourth proportional to 23,155.16, 31,955.36 and 13,084.02 is: 18,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.16 : 31,955.36 = 13,084.02 : x
  2. Step 2: Convert to fraction form
    23,155.16/31,955.36 = 13,084.02/x
  3. Step 3: Cross multiply
    23,155.16x = 31,955.36 × 13,084.02
  4. Step 4: Simplify right side
    23,155.16x = 418,104,503.93
  5. Step 5: Solve for x
    x = 418,104,503.93/23,155.16
  6. Step 6: Final answer
    x = 18,056.65

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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.