Home / 14,728.16-20,304.06-10,529.12

Finding the Fourth Proportional to 14,728.16, 20,304.06 and 10,529.12

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Solution

The fourth proportional to 14,728.16, 20,304.06 and 10,529.12 is: 14,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.16 : 20,304.06 = 10,529.12 : x
  2. Step 2: Convert to fraction form
    14,728.16/20,304.06 = 10,529.12/x
  3. Step 3: Cross multiply
    14,728.16x = 20,304.06 × 10,529.12
  4. Step 4: Simplify right side
    14,728.16x = 213,783,884.23
  5. Step 5: Solve for x
    x = 213,783,884.23/14,728.16
  6. Step 6: Final answer
    x = 14,515.32

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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.