Home / 22,486.56-31,035.52-13,412.51

Finding the Fourth Proportional to 22,486.56, 31,035.52 and 13,412.51

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Solution

The fourth proportional to 22,486.56, 31,035.52 and 13,412.51 is: 18,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.56 : 31,035.52 = 13,412.51 : x
  2. Step 2: Convert to fraction form
    22,486.56/31,035.52 = 13,412.51/x
  3. Step 3: Cross multiply
    22,486.56x = 31,035.52 × 13,412.51
  4. Step 4: Simplify right side
    22,486.56x = 416,264,222.36
  5. Step 5: Solve for x
    x = 416,264,222.36/22,486.56
  6. Step 6: Final answer
    x = 18,511.69

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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.