Home / 15,672.48-23,501.16-8,285.28

Finding the Fourth Proportional to 15,672.48, 23,501.16 and 8,285.28

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Solution

The fourth proportional to 15,672.48, 23,501.16 and 8,285.28 is: 12,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.48 : 23,501.16 = 8,285.28 : x
  2. Step 2: Convert to fraction form
    15,672.48/23,501.16 = 8,285.28/x
  3. Step 3: Cross multiply
    15,672.48x = 23,501.16 × 8,285.28
  4. Step 4: Simplify right side
    15,672.48x = 194,713,690.92
  5. Step 5: Solve for x
    x = 194,713,690.92/15,672.48
  6. Step 6: Final answer
    x = 12,423.92

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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.