Home / 27,143.46-37,460.28-15,206.64

Finding the Fourth Proportional to 27,143.46, 37,460.28 and 15,206.64

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Solution

The fourth proportional to 27,143.46, 37,460.28 and 15,206.64 is: 20,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.46 : 37,460.28 = 15,206.64 : x
  2. Step 2: Convert to fraction form
    27,143.46/37,460.28 = 15,206.64/x
  3. Step 3: Cross multiply
    27,143.46x = 37,460.28 × 15,206.64
  4. Step 4: Simplify right side
    27,143.46x = 569,644,992.26
  5. Step 5: Solve for x
    x = 569,644,992.26/27,143.46
  6. Step 6: Final answer
    x = 20,986.45

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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.