Home / 16,970.85-23,420.57-10,601.21

Finding the Fourth Proportional to 16,970.85, 23,420.57 and 10,601.21

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Solution

The fourth proportional to 16,970.85, 23,420.57 and 10,601.21 is: 14,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.85 : 23,420.57 = 10,601.21 : x
  2. Step 2: Convert to fraction form
    16,970.85/23,420.57 = 10,601.21/x
  3. Step 3: Cross multiply
    16,970.85x = 23,420.57 × 10,601.21
  4. Step 4: Simplify right side
    16,970.85x = 248,286,380.89
  5. Step 5: Solve for x
    x = 248,286,380.89/16,970.85
  6. Step 6: Final answer
    x = 14,630.17

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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.