Home / 15,988.95-23,979.33-4,741.66

Finding the Fourth Proportional to 15,988.95, 23,979.33 and 4,741.66

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Solution

The fourth proportional to 15,988.95, 23,979.33 and 4,741.66 is: 7,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.95 : 23,979.33 = 4,741.66 : x
  2. Step 2: Convert to fraction form
    15,988.95/23,979.33 = 4,741.66/x
  3. Step 3: Cross multiply
    15,988.95x = 23,979.33 × 4,741.66
  4. Step 4: Simplify right side
    15,988.95x = 113,701,829.89
  5. Step 5: Solve for x
    x = 113,701,829.89/15,988.95
  6. Step 6: Final answer
    x = 7,111.28

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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.