Home / 22,837.68-31,515.48-13,407.12

Finding the Fourth Proportional to 22,837.68, 31,515.48 and 13,407.12

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Solution

The fourth proportional to 22,837.68, 31,515.48 and 13,407.12 is: 18,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,837.68 : 31,515.48 = 13,407.12 : x
  2. Step 2: Convert to fraction form
    22,837.68/31,515.48 = 13,407.12/x
  3. Step 3: Cross multiply
    22,837.68x = 31,515.48 × 13,407.12
  4. Step 4: Simplify right side
    22,837.68x = 422,531,822.22
  5. Step 5: Solve for x
    x = 422,531,822.22/22,837.68
  6. Step 6: Final answer
    x = 18,501.52

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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.