Home / 13,431.24-20,156.04-4,666.08

Finding the Fourth Proportional to 13,431.24, 20,156.04 and 4,666.08

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Solution

The fourth proportional to 13,431.24, 20,156.04 and 4,666.08 is: 7,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.24 : 20,156.04 = 4,666.08 : x
  2. Step 2: Convert to fraction form
    13,431.24/20,156.04 = 4,666.08/x
  3. Step 3: Cross multiply
    13,431.24x = 20,156.04 × 4,666.08
  4. Step 4: Simplify right side
    13,431.24x = 94,049,695.12
  5. Step 5: Solve for x
    x = 94,049,695.12/13,431.24
  6. Step 6: Final answer
    x = 7,002.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.