Home / 18,125.36-27,178.80-7,035.23

Finding the Fourth Proportional to 18,125.36, 27,178.80 and 7,035.23

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Solution

The fourth proportional to 18,125.36, 27,178.80 and 7,035.23 is: 10,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.36 : 27,178.80 = 7,035.23 : x
  2. Step 2: Convert to fraction form
    18,125.36/27,178.80 = 7,035.23/x
  3. Step 3: Cross multiply
    18,125.36x = 27,178.80 × 7,035.23
  4. Step 4: Simplify right side
    18,125.36x = 191,208,973.23
  5. Step 5: Solve for x
    x = 191,208,973.23/18,125.36
  6. Step 6: Final answer
    x = 10,549.25

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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.