Home / 15,387.09-23,091.77-6,624.51

Finding the Fourth Proportional to 15,387.09, 23,091.77 and 6,624.51

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Solution

The fourth proportional to 15,387.09, 23,091.77 and 6,624.51 is: 9,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.09 : 23,091.77 = 6,624.51 : x
  2. Step 2: Convert to fraction form
    15,387.09/23,091.77 = 6,624.51/x
  3. Step 3: Cross multiply
    15,387.09x = 23,091.77 × 6,624.51
  4. Step 4: Simplify right side
    15,387.09x = 152,971,661.28
  5. Step 5: Solve for x
    x = 152,971,661.28/15,387.09
  6. Step 6: Final answer
    x = 9,941.56

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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.