Home / 17,740.56-24,492.44-15,772.40

Finding the Fourth Proportional to 17,740.56, 24,492.44 and 15,772.40

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Solution

The fourth proportional to 17,740.56, 24,492.44 and 15,772.40 is: 21,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.56 : 24,492.44 = 15,772.40 : x
  2. Step 2: Convert to fraction form
    17,740.56/24,492.44 = 15,772.40/x
  3. Step 3: Cross multiply
    17,740.56x = 24,492.44 × 15,772.40
  4. Step 4: Simplify right side
    17,740.56x = 386,304,560.66
  5. Step 5: Solve for x
    x = 386,304,560.66/17,740.56
  6. Step 6: Final answer
    x = 21,775.22

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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.