Home / 14,795.28-20,428.47-9,493.02

Finding the Fourth Proportional to 14,795.28, 20,428.47 and 9,493.02

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Solution

The fourth proportional to 14,795.28, 20,428.47 and 9,493.02 is: 13,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.28 : 20,428.47 = 9,493.02 : x
  2. Step 2: Convert to fraction form
    14,795.28/20,428.47 = 9,493.02/x
  3. Step 3: Cross multiply
    14,795.28x = 20,428.47 × 9,493.02
  4. Step 4: Simplify right side
    14,795.28x = 193,927,874.28
  5. Step 5: Solve for x
    x = 193,927,874.28/14,795.28
  6. Step 6: Final answer
    x = 13,107.41

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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.