Home / 27,683.69-38,202.95-15,108.53

Finding the Fourth Proportional to 27,683.69, 38,202.95 and 15,108.53

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Solution

The fourth proportional to 27,683.69, 38,202.95 and 15,108.53 is: 20,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.69 : 38,202.95 = 15,108.53 : x
  2. Step 2: Convert to fraction form
    27,683.69/38,202.95 = 15,108.53/x
  3. Step 3: Cross multiply
    27,683.69x = 38,202.95 × 15,108.53
  4. Step 4: Simplify right side
    27,683.69x = 577,190,262.92
  5. Step 5: Solve for x
    x = 577,190,262.92/27,683.69
  6. Step 6: Final answer
    x = 20,849.47

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Half scale
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Double scale
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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.