Home / 13,662.18-18,826.08-10,475.54

Finding the Fourth Proportional to 13,662.18, 18,826.08 and 10,475.54

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Solution

The fourth proportional to 13,662.18, 18,826.08 and 10,475.54 is: 14,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.18 : 18,826.08 = 10,475.54 : x
  2. Step 2: Convert to fraction form
    13,662.18/18,826.08 = 10,475.54/x
  3. Step 3: Cross multiply
    13,662.18x = 18,826.08 × 10,475.54
  4. Step 4: Simplify right side
    13,662.18x = 197,213,354.08
  5. Step 5: Solve for x
    x = 197,213,354.08/13,662.18
  6. Step 6: Final answer
    x = 14,434.98

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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.