Home / 22,550.24-31,130.18-15,009.12

Finding the Fourth Proportional to 22,550.24, 31,130.18 and 15,009.12

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Solution

The fourth proportional to 22,550.24, 31,130.18 and 15,009.12 is: 20,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550.24 : 31,130.18 = 15,009.12 : x
  2. Step 2: Convert to fraction form
    22,550.24/31,130.18 = 15,009.12/x
  3. Step 3: Cross multiply
    22,550.24x = 31,130.18 × 15,009.12
  4. Step 4: Simplify right side
    22,550.24x = 467,236,607.24
  5. Step 5: Solve for x
    x = 467,236,607.24/22,550.24
  6. Step 6: Final answer
    x = 20,719.81

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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.