Home / 18,070.48-27,110.63-7,537.02

Finding the Fourth Proportional to 18,070.48, 27,110.63 and 7,537.02

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Solution

The fourth proportional to 18,070.48, 27,110.63 and 7,537.02 is: 11,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.48 : 27,110.63 = 7,537.02 : x
  2. Step 2: Convert to fraction form
    18,070.48/27,110.63 = 7,537.02/x
  3. Step 3: Cross multiply
    18,070.48x = 27,110.63 × 7,537.02
  4. Step 4: Simplify right side
    18,070.48x = 204,333,360.52
  5. Step 5: Solve for x
    x = 204,333,360.52/18,070.48
  6. Step 6: Final answer
    x = 11,307.58

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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.