Home / 27,486.10-37,930.98-15,551.93

Finding the Fourth Proportional to 27,486.10, 37,930.98 and 15,551.93

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Solution

The fourth proportional to 27,486.10, 37,930.98 and 15,551.93 is: 21,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.10 : 37,930.98 = 15,551.93 : x
  2. Step 2: Convert to fraction form
    27,486.10/37,930.98 = 15,551.93/x
  3. Step 3: Cross multiply
    27,486.10x = 37,930.98 × 15,551.93
  4. Step 4: Simplify right side
    27,486.10x = 589,900,098.94
  5. Step 5: Solve for x
    x = 589,900,098.94/27,486.10
  6. Step 6: Final answer
    x = 21,461.76

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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.