Home / 22,182.51-30,559.83-15,455.93

Finding the Fourth Proportional to 22,182.51, 30,559.83 and 15,455.93

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Solution

The fourth proportional to 22,182.51, 30,559.83 and 15,455.93 is: 21,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.51 : 30,559.83 = 15,455.93 : x
  2. Step 2: Convert to fraction form
    22,182.51/30,559.83 = 15,455.93/x
  3. Step 3: Cross multiply
    22,182.51x = 30,559.83 × 15,455.93
  4. Step 4: Simplify right side
    22,182.51x = 472,330,593.29
  5. Step 5: Solve for x
    x = 472,330,593.29/22,182.51
  6. Step 6: Final answer
    x = 21,292.93

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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.