Home / 15,762.24-21,752.70-9,047.82

Finding the Fourth Proportional to 15,762.24, 21,752.70 and 9,047.82

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Solution

The fourth proportional to 15,762.24, 21,752.70 and 9,047.82 is: 12,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.24 : 21,752.70 = 9,047.82 : x
  2. Step 2: Convert to fraction form
    15,762.24/21,752.70 = 9,047.82/x
  3. Step 3: Cross multiply
    15,762.24x = 21,752.70 × 9,047.82
  4. Step 4: Simplify right side
    15,762.24x = 196,814,514.11
  5. Step 5: Solve for x
    x = 196,814,514.11/15,762.24
  6. Step 6: Final answer
    x = 12,486.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.