Home / 22,653.42-31,261.56-12,444.60

Finding the Fourth Proportional to 22,653.42, 31,261.56 and 12,444.60

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Solution

The fourth proportional to 22,653.42, 31,261.56 and 12,444.60 is: 17,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.42 : 31,261.56 = 12,444.60 : x
  2. Step 2: Convert to fraction form
    22,653.42/31,261.56 = 12,444.60/x
  3. Step 3: Cross multiply
    22,653.42x = 31,261.56 × 12,444.60
  4. Step 4: Simplify right side
    22,653.42x = 389,037,609.58
  5. Step 5: Solve for x
    x = 389,037,609.58/22,653.42
  6. Step 6: Final answer
    x = 17,173.46

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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.