Home / 13,995.20-19,325.04-12,500.48

Finding the Fourth Proportional to 13,995.20, 19,325.04 and 12,500.48

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Solution

The fourth proportional to 13,995.20, 19,325.04 and 12,500.48 is: 17,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.20 : 19,325.04 = 12,500.48 : x
  2. Step 2: Convert to fraction form
    13,995.20/19,325.04 = 12,500.48/x
  3. Step 3: Cross multiply
    13,995.20x = 19,325.04 × 12,500.48
  4. Step 4: Simplify right side
    13,995.20x = 241,572,276.02
  5. Step 5: Solve for x
    x = 241,572,276.02/13,995.20
  6. Step 6: Final answer
    x = 17,261.08

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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.