Home / 22,488.48-31,027.19-13,055.22

Finding the Fourth Proportional to 22,488.48, 31,027.19 and 13,055.22

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Solution

The fourth proportional to 22,488.48, 31,027.19 and 13,055.22 is: 18,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.48 : 31,027.19 = 13,055.22 : x
  2. Step 2: Convert to fraction form
    22,488.48/31,027.19 = 13,055.22/x
  3. Step 3: Cross multiply
    22,488.48x = 31,027.19 × 13,055.22
  4. Step 4: Simplify right side
    22,488.48x = 405,066,726.16
  5. Step 5: Solve for x
    x = 405,066,726.16/22,488.48
  6. Step 6: Final answer
    x = 18,012.19

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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.