Home / 13,305.02-18,361.08-7,336.91

Finding the Fourth Proportional to 13,305.02, 18,361.08 and 7,336.91

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Solution

The fourth proportional to 13,305.02, 18,361.08 and 7,336.91 is: 10,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.02 : 18,361.08 = 7,336.91 : x
  2. Step 2: Convert to fraction form
    13,305.02/18,361.08 = 7,336.91/x
  3. Step 3: Cross multiply
    13,305.02x = 18,361.08 × 7,336.91
  4. Step 4: Simplify right side
    13,305.02x = 134,713,591.46
  5. Step 5: Solve for x
    x = 134,713,591.46/13,305.02
  6. Step 6: Final answer
    x = 10,125.02

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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.