Home / 15,790.65-23,681.85-4,694.35

Finding the Fourth Proportional to 15,790.65, 23,681.85 and 4,694.35

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Solution

The fourth proportional to 15,790.65, 23,681.85 and 4,694.35 is: 7,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.65 : 23,681.85 = 4,694.35 : x
  2. Step 2: Convert to fraction form
    15,790.65/23,681.85 = 4,694.35/x
  3. Step 3: Cross multiply
    15,790.65x = 23,681.85 × 4,694.35
  4. Step 4: Simplify right side
    15,790.65x = 111,170,892.55
  5. Step 5: Solve for x
    x = 111,170,892.55/15,790.65
  6. Step 6: Final answer
    x = 7,040.30

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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.