Home / 27,143.34-37,453.46-15,207.18

Finding the Fourth Proportional to 27,143.34, 37,453.46 and 15,207.18

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Solution

The fourth proportional to 27,143.34, 37,453.46 and 15,207.18 is: 20,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.34 : 37,453.46 = 15,207.18 : x
  2. Step 2: Convert to fraction form
    27,143.34/37,453.46 = 15,207.18/x
  3. Step 3: Cross multiply
    27,143.34x = 37,453.46 × 15,207.18
  4. Step 4: Simplify right side
    27,143.34x = 569,561,431.81
  5. Step 5: Solve for x
    x = 569,561,431.81/27,143.34
  6. Step 6: Final answer
    x = 20,983.47

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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.