Home / 18,127.08-25,011.72-13,098.96

Finding the Fourth Proportional to 18,127.08, 25,011.72 and 13,098.96

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Solution

The fourth proportional to 18,127.08, 25,011.72 and 13,098.96 is: 18,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.08 : 25,011.72 = 13,098.96 : x
  2. Step 2: Convert to fraction form
    18,127.08/25,011.72 = 13,098.96/x
  3. Step 3: Cross multiply
    18,127.08x = 25,011.72 × 13,098.96
  4. Step 4: Simplify right side
    18,127.08x = 327,627,519.81
  5. Step 5: Solve for x
    x = 327,627,519.81/18,127.08
  6. Step 6: Final answer
    x = 18,073.93

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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.