Home / 14,807.12-20,415.24-9,492.56

Finding the Fourth Proportional to 14,807.12, 20,415.24 and 9,492.56

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Solution

The fourth proportional to 14,807.12, 20,415.24 and 9,492.56 is: 13,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.12 : 20,415.24 = 9,492.56 : x
  2. Step 2: Convert to fraction form
    14,807.12/20,415.24 = 9,492.56/x
  3. Step 3: Cross multiply
    14,807.12x = 20,415.24 × 9,492.56
  4. Step 4: Simplify right side
    14,807.12x = 193,792,890.61
  5. Step 5: Solve for x
    x = 193,792,890.61/14,807.12
  6. Step 6: Final answer
    x = 13,087.82

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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.