Home / 19,581.55-27,055.62-17,438.29

Finding the Fourth Proportional to 19,581.55, 27,055.62 and 17,438.29

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Solution

The fourth proportional to 19,581.55, 27,055.62 and 17,438.29 is: 24,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.55 : 27,055.62 = 17,438.29 : x
  2. Step 2: Convert to fraction form
    19,581.55/27,055.62 = 17,438.29/x
  3. Step 3: Cross multiply
    19,581.55x = 27,055.62 × 17,438.29
  4. Step 4: Simplify right side
    19,581.55x = 471,803,680.05
  5. Step 5: Solve for x
    x = 471,803,680.05/19,581.55
  6. Step 6: Final answer
    x = 24,094.30

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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.