Home / 15,789.65-23,680.35-4,693.35

Finding the Fourth Proportional to 15,789.65, 23,680.35 and 4,693.35

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Solution

The fourth proportional to 15,789.65, 23,680.35 and 4,693.35 is: 7,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.65 : 23,680.35 = 4,693.35 : x
  2. Step 2: Convert to fraction form
    15,789.65/23,680.35 = 4,693.35/x
  3. Step 3: Cross multiply
    15,789.65x = 23,680.35 × 4,693.35
  4. Step 4: Simplify right side
    15,789.65x = 111,140,259.47
  5. Step 5: Solve for x
    x = 111,140,259.47/15,789.65
  6. Step 6: Final answer
    x = 7,038.81

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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.