Home / 22,837.14-31,515.08-12,765.60

Finding the Fourth Proportional to 22,837.14, 31,515.08 and 12,765.60

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Solution

The fourth proportional to 22,837.14, 31,515.08 and 12,765.60 is: 17,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,837.14 : 31,515.08 = 12,765.60 : x
  2. Step 2: Convert to fraction form
    22,837.14/31,515.08 = 12,765.60/x
  3. Step 3: Cross multiply
    22,837.14x = 31,515.08 × 12,765.60
  4. Step 4: Simplify right side
    22,837.14x = 402,308,841.42
  5. Step 5: Solve for x
    x = 402,308,841.42/22,837.14
  6. Step 6: Final answer
    x = 17,616.43

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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.