Home / 27,133.56-37,448.76-15,199.82

Finding the Fourth Proportional to 27,133.56, 37,448.76 and 15,199.82

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Solution

The fourth proportional to 27,133.56, 37,448.76 and 15,199.82 is: 20,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.56 : 37,448.76 = 15,199.82 : x
  2. Step 2: Convert to fraction form
    27,133.56/37,448.76 = 15,199.82/x
  3. Step 3: Cross multiply
    27,133.56x = 37,448.76 × 15,199.82
  4. Step 4: Simplify right side
    27,133.56x = 569,214,411.22
  5. Step 5: Solve for x
    x = 569,214,411.22/27,133.56
  6. Step 6: Final answer
    x = 20,978.24

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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.