Home / 17,405.34-24,023.10-13,621.02

Finding the Fourth Proportional to 17,405.34, 24,023.10 and 13,621.02

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Solution

The fourth proportional to 17,405.34, 24,023.10 and 13,621.02 is: 18,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.34 : 24,023.10 = 13,621.02 : x
  2. Step 2: Convert to fraction form
    17,405.34/24,023.10 = 13,621.02/x
  3. Step 3: Cross multiply
    17,405.34x = 24,023.10 × 13,621.02
  4. Step 4: Simplify right side
    17,405.34x = 327,219,125.56
  5. Step 5: Solve for x
    x = 327,219,125.56/17,405.34
  6. Step 6: Final answer
    x = 18,799.93

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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.