Home / 27,174.39-37,500.75-15,851.70

Finding the Fourth Proportional to 27,174.39, 37,500.75 and 15,851.70

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Solution

The fourth proportional to 27,174.39, 37,500.75 and 15,851.70 is: 21,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.39 : 37,500.75 = 15,851.70 : x
  2. Step 2: Convert to fraction form
    27,174.39/37,500.75 = 15,851.70/x
  3. Step 3: Cross multiply
    27,174.39x = 37,500.75 × 15,851.70
  4. Step 4: Simplify right side
    27,174.39x = 594,450,638.78
  5. Step 5: Solve for x
    x = 594,450,638.78/27,174.39
  6. Step 6: Final answer
    x = 21,875.40

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Half scale
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Double scale
Find fourth proportional to 27,175.39, 37,502.13 and 15,852.70
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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.