Home / 22,530.36-31,062.74-15,444.12

Finding the Fourth Proportional to 22,530.36, 31,062.74 and 15,444.12

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Solution

The fourth proportional to 22,530.36, 31,062.74 and 15,444.12 is: 21,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.36 : 31,062.74 = 15,444.12 : x
  2. Step 2: Convert to fraction form
    22,530.36/31,062.74 = 15,444.12/x
  3. Step 3: Cross multiply
    22,530.36x = 31,062.74 × 15,444.12
  4. Step 4: Simplify right side
    22,530.36x = 479,736,684.09
  5. Step 5: Solve for x
    x = 479,736,684.09/22,530.36
  6. Step 6: Final answer
    x = 21,292.90

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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.