Home / 15,922.48-21,971.96-8,752.24

Finding the Fourth Proportional to 15,922.48, 21,971.96 and 8,752.24

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Solution

The fourth proportional to 15,922.48, 21,971.96 and 8,752.24 is: 12,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.48 : 21,971.96 = 8,752.24 : x
  2. Step 2: Convert to fraction form
    15,922.48/21,971.96 = 8,752.24/x
  3. Step 3: Cross multiply
    15,922.48x = 21,971.96 × 8,752.24
  4. Step 4: Simplify right side
    15,922.48x = 192,303,867.19
  5. Step 5: Solve for x
    x = 192,303,867.19/15,922.48
  6. Step 6: Final answer
    x = 12,077.51

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1.5x scale

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.