Home / 22,777.07-31,430.99-13,216.22

Finding the Fourth Proportional to 22,777.07, 31,430.99 and 13,216.22

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Solution

The fourth proportional to 22,777.07, 31,430.99 and 13,216.22 is: 18,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.07 : 31,430.99 = 13,216.22 : x
  2. Step 2: Convert to fraction form
    22,777.07/31,430.99 = 13,216.22/x
  3. Step 3: Cross multiply
    22,777.07x = 31,430.99 × 13,216.22
  4. Step 4: Simplify right side
    22,777.07x = 415,398,655.42
  5. Step 5: Solve for x
    x = 415,398,655.42/22,777.07
  6. Step 6: Final answer
    x = 18,237.58

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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.