Home / 27,289.81-37,656.57-17,214.45

Finding the Fourth Proportional to 27,289.81, 37,656.57 and 17,214.45

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Solution

The fourth proportional to 27,289.81, 37,656.57 and 17,214.45 is: 23,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.81 : 37,656.57 = 17,214.45 : x
  2. Step 2: Convert to fraction form
    27,289.81/37,656.57 = 17,214.45/x
  3. Step 3: Cross multiply
    27,289.81x = 37,656.57 × 17,214.45
  4. Step 4: Simplify right side
    27,289.81x = 648,237,141.44
  5. Step 5: Solve for x
    x = 648,237,141.44/27,289.81
  6. Step 6: Final answer
    x = 23,753.82

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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.