Home / 18,031.48-27,032.59-7,509.38

Finding the Fourth Proportional to 18,031.48, 27,032.59 and 7,509.38

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Solution

The fourth proportional to 18,031.48, 27,032.59 and 7,509.38 is: 11,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.48 : 27,032.59 = 7,509.38 : x
  2. Step 2: Convert to fraction form
    18,031.48/27,032.59 = 7,509.38/x
  3. Step 3: Cross multiply
    18,031.48x = 27,032.59 × 7,509.38
  4. Step 4: Simplify right side
    18,031.48x = 202,997,990.69
  5. Step 5: Solve for x
    x = 202,997,990.69/18,031.48
  6. Step 6: Final answer
    x = 11,257.98

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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.