Home / 13,598.46-20,392.23-4,235.40

Finding the Fourth Proportional to 13,598.46, 20,392.23 and 4,235.40

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Solution

The fourth proportional to 13,598.46, 20,392.23 and 4,235.40 is: 6,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.46 : 20,392.23 = 4,235.40 : x
  2. Step 2: Convert to fraction form
    13,598.46/20,392.23 = 4,235.40/x
  3. Step 3: Cross multiply
    13,598.46x = 20,392.23 × 4,235.40
  4. Step 4: Simplify right side
    13,598.46x = 86,369,250.94
  5. Step 5: Solve for x
    x = 86,369,250.94/13,598.46
  6. Step 6: Final answer
    x = 6,351.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.